About the Number

987728448

987728447 ← → 987728449

2進数表記:111010110111111000101001000000

漢数字表記:九億八千七百七十二万八千四百四十八

素因数分解:

2 6 × 3 1 × 7 1 × 31 1 × 151 1 × 157 1

素因数の和:361
約数の個数: 224
約数和(自身を含む): 3123232768
約数和(自身を除く): 2135504320

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 151, 157, 168, 186, 192, 217, 224, 248, 302, 314, 336, 372, 434, 448, 453, 471, 496, 604, 628, 651, 672, 744, 868, 906, 942, 992, 1057, 1099, 1208, 1256, 1302, 1344, 1488, 1736, 1812, 1884, 1984, 2114, 2198, 2416, 2512, 2604, 2976, 3171, 3297, 3472, 3624, 3768, 4228, 4396, 4681, 4832, 4867, 5024, 5208, 5952, 6342, 6594, 6944, 7248, 7536, 8456, 8792, 9362, 9664, 9734, 10048, 10416, 12684, 13188, 13888, 14043, 14496, 14601, 15072, 16912, 17584, 18724, 19468, 20832, 23707, 25368, 26376, 28086, 28992, 29202, 30144, 32767, 33824, 34069, 35168, 37448, 38936, 41664, 47414, 50736, 52752, 56172, 58404, 65534, 67648, 68138, 70336, 71121, 74896, 77872, 94828, 98301, 101472, 102207, 105504, 112344, 116808, 131068, 136276, 142242, 149792, 155744, 165949, 189656, 196602, 202944, 204414, 211008, 224688, 233616, 262136, 272552, 284484, 299584, 311488, 331898, 379312, 393204, 408828, 449376, 467232, 497847, 524272, 545104, 568968, 663796, 734917, 758624, 786408, 817656, 898752, 934464, 995694, 1048544, 1090208, 1137936, 1327592, 1469834, 1517248, 1572816, 1635312, 1991388, 2097088, 2180416, 2204751, 2275872, 2655184, 2939668, 3145632, 3270624, 3982776, 4409502, 4551744, 5144419, 5310368, 5879336, 6291264, 6541248, 7965552, 8819004, 10288838, 10620736, 11758672, 15433257, 15931104, 17638008, 20577676, 23517344, 30866514, 31862208, 35276016, 41155352, 47034688, 61733028, 70552032, 82310704, 123466056, 141104064, 164621408, 246932112, 329242816, 493864224, 987728448]

約数ペア:
[(1, 987728448), (2, 493864224), (3, 329242816), (4, 246932112), (6, 164621408), (7, 141104064), (8, 123466056), (12, 82310704), (14, 70552032), (16, 61733028), (21, 47034688), (24, 41155352), (28, 35276016), (31, 31862208), (32, 30866514), (42, 23517344), (48, 20577676), (56, 17638008), (62, 15931104), (64, 15433257), (84, 11758672), (93, 10620736), (96, 10288838), (112, 8819004), (124, 7965552), (151, 6541248), (157, 6291264), (168, 5879336), (186, 5310368), (192, 5144419), (217, 4551744), (224, 4409502), (248, 3982776), (302, 3270624), (314, 3145632), (336, 2939668), (372, 2655184), (434, 2275872), (448, 2204751), (453, 2180416), (471, 2097088), (496, 1991388), (604, 1635312), (628, 1572816), (651, 1517248), (672, 1469834), (744, 1327592), (868, 1137936), (906, 1090208), (942, 1048544), (992, 995694), (1057, 934464), (1099, 898752), (1208, 817656), (1256, 786408), (1302, 758624), (1344, 734917), (1488, 663796), (1736, 568968), (1812, 545104), (1884, 524272), (1984, 497847), (2114, 467232), (2198, 449376), (2416, 408828), (2512, 393204), (2604, 379312), (2976, 331898), (3171, 311488), (3297, 299584), (3472, 284484), (3624, 272552), (3768, 262136), (4228, 233616), (4396, 224688), (4681, 211008), (4832, 204414), (4867, 202944), (5024, 196602), (5208, 189656), (5952, 165949), (6342, 155744), (6594, 149792), (6944, 142242), (7248, 136276), (7536, 131068), (8456, 116808), (8792, 112344), (9362, 105504), (9664, 102207), (9734, 101472), (10048, 98301), (10416, 94828), (12684, 77872), (13188, 74896), (13888, 71121), (14043, 70336), (14496, 68138), (14601, 67648), (15072, 65534), (16912, 58404), (17584, 56172), (18724, 52752), (19468, 50736), (20832, 47414), (23707, 41664), (25368, 38936), (26376, 37448), (28086, 35168), (28992, 34069), (29202, 33824), (30144, 32767)]

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