About the Number

1218998144

1218998143 ← → 1218998145

2進数表記:1001000101010000110111110000000

漢数字表記:十二億千八百九十九万八千百四十四

素因数分解:

2 7 × 7 1 × 13 1 × 229 1 × 457 1

素因数の和:720
約数の個数: 128
約数和(自身を含む): 3008510400
約数和(自身を除く): 1789512256

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 229, 364, 416, 448, 457, 458, 728, 832, 896, 914, 916, 1456, 1603, 1664, 1828, 1832, 2912, 2977, 3199, 3206, 3656, 3664, 5824, 5941, 5954, 6398, 6412, 7312, 7328, 11648, 11882, 11908, 12796, 12824, 14624, 14656, 20839, 23764, 23816, 25592, 25648, 29248, 29312, 41587, 41678, 47528, 47632, 51184, 51296, 58496, 83174, 83356, 95056, 95264, 102368, 102592, 104653, 166348, 166712, 190112, 190528, 204736, 205184, 209306, 332696, 333424, 380224, 381056, 409472, 418612, 665392, 666848, 732571, 760448, 837224, 1330784, 1333696, 1360489, 1465142, 1674448, 2661568, 2667392, 2720978, 2930284, 3348896, 5323136, 5441956, 5860568, 6697792, 9523423, 10883912, 11721136, 13395584, 19046846, 21767824, 23442272, 38093692, 43535648, 46884544, 76187384, 87071296, 93769088, 152374768, 174142592, 304749536, 609499072, 1218998144]

約数ペア:
[(1, 1218998144), (2, 609499072), (4, 304749536), (7, 174142592), (8, 152374768), (13, 93769088), (14, 87071296), (16, 76187384), (26, 46884544), (28, 43535648), (32, 38093692), (52, 23442272), (56, 21767824), (64, 19046846), (91, 13395584), (104, 11721136), (112, 10883912), (128, 9523423), (182, 6697792), (208, 5860568), (224, 5441956), (229, 5323136), (364, 3348896), (416, 2930284), (448, 2720978), (457, 2667392), (458, 2661568), (728, 1674448), (832, 1465142), (896, 1360489), (914, 1333696), (916, 1330784), (1456, 837224), (1603, 760448), (1664, 732571), (1828, 666848), (1832, 665392), (2912, 418612), (2977, 409472), (3199, 381056), (3206, 380224), (3656, 333424), (3664, 332696), (5824, 209306), (5941, 205184), (5954, 204736), (6398, 190528), (6412, 190112), (7312, 166712), (7328, 166348), (11648, 104653), (11882, 102592), (11908, 102368), (12796, 95264), (12824, 95056), (14624, 83356), (14656, 83174), (20839, 58496), (23764, 51296), (23816, 51184), (25592, 47632), (25648, 47528), (29248, 41678), (29312, 41587)]

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