257504352

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 817496064

約数和(自身を除く): 559991712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 47, 48, 56, 62, 84, 93, 94, 96, 112, 124, 141, 168, 186, 188, 217, 224, 248, 263, 282, 329, 336, 372, 376, 434, 496, 526, 564, 651, 658, 672, 744, 752, 789, 868, 987, 992, 1052, 1128, 1302, 1316, 1457, 1488, 1504, 1578, 1736, 1841, 1974, 2104, 2256, 2604, 2632, 2914, 2976, 3156, 3472, 3682, 3948, 4208, 4371, 4512, 5208, 5264, 5523, 5828, 6312, 6944, 7364, 7896, 8153, 8416, 8742, 10199, 10416, 10528, 11046, 11656, 12361, 12624, 14728, 15792, 16306, 17484, 20398, 20832, 22092, 23312, 24459, 24722, 25248, 29456, 30597, 31584, 32612, 34968, 37083, 40796, 44184, 46624, 48918, 49444, 57071, 58912, 61194, 65224, 69936, 74166, 81592, 86527, 88368, 97836, 98888, 114142, 122388, 130448, 139872, 148332, 163184, 171213, 173054, 176736, 195672, 197776, 228284, 244776, 259581, 260896, 296664, 326368, 342426, 346108, 383191, 391344, 395552, 456568, 489552, 519162, 593328, 684852, 692216, 766382, 782688, 913136, 979104, 1038324, 1149573, 1186656, 1369704, 1384432, 1532764, 1826272, 2076648, 2299146, 2682337, 2739408, 2768864, 3065528, 4153296, 4598292, 5364674, 5478816, 6131056, 8047011, 8306592, 9196584, 10729348, 12262112, 16094022, 18393168, 21458696, 32188044, 36786336, 42917392, 64376088, 85834784, 128752176, 257504352]

約数ペア:

[(1, 257504352), (2, 128752176), (3, 85834784), (4, 64376088), (6, 42917392), (7, 36786336), (8, 32188044), (12, 21458696), (14, 18393168), (16, 16094022), (21, 12262112), (24, 10729348), (28, 9196584), (31, 8306592), (32, 8047011), (42, 6131056), (47, 5478816), (48, 5364674), (56, 4598292), (62, 4153296), (84, 3065528), (93, 2768864), (94, 2739408), (96, 2682337), (112, 2299146), (124, 2076648), (141, 1826272), (168, 1532764), (186, 1384432), (188, 1369704), (217, 1186656), (224, 1149573), (248, 1038324), (263, 979104), (282, 913136), (329, 782688), (336, 766382), (372, 692216), (376, 684852), (434, 593328), (496, 519162), (526, 489552), (564, 456568), (651, 395552), (658, 391344), (672, 383191), (744, 346108), (752, 342426), (789, 326368), (868, 296664), (987, 260896), (992, 259581), (1052, 244776), (1128, 228284), (1302, 197776), (1316, 195672), (1457, 176736), (1488, 173054), (1504, 171213), (1578, 163184), (1736, 148332), (1841, 139872), (1974, 130448), (2104, 122388), (2256, 114142), (2604, 98888), (2632, 97836), (2914, 88368), (2976, 86527), (3156, 81592), (3472, 74166), (3682, 69936), (3948, 65224), (4208, 61194), (4371, 58912), (4512, 57071), (5208, 49444), (5264, 48918), (5523, 46624), (5828, 44184), (6312, 40796), (6944, 37083), (7364, 34968), (7896, 32612), (8153, 31584), (8416, 30597), (8742, 29456), (10199, 25248), (10416, 24722), (10528, 24459), (11046, 23312), (11656, 22092), (12361, 20832), (12624, 20398), (14728, 17484), (15792, 16306)]