256552608

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:998

約数の個数: 96

約数和(自身を含む): 728687232

約数和(自身を除く): 472134624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 311, 312, 416, 622, 624, 661, 933, 1244, 1248, 1322, 1866, 1983, 2488, 2644, 3732, 3966, 4043, 4976, 5288, 7464, 7932, 8086, 8593, 9952, 10576, 12129, 14928, 15864, 16172, 17186, 21152, 24258, 25779, 29856, 31728, 32344, 34372, 48516, 51558, 63456, 64688, 68744, 97032, 103116, 129376, 137488, 194064, 205571, 206232, 274976, 388128, 411142, 412464, 616713, 822284, 824928, 1233426, 1644568, 2466852, 2672423, 3289136, 4933704, 5344846, 6578272, 8017269, 9867408, 10689692, 16034538, 19734816, 21379384, 32069076, 42758768, 64138152, 85517536, 128276304, 256552608]

約数ペア:

[(1, 256552608), (2, 128276304), (3, 85517536), (4, 64138152), (6, 42758768), (8, 32069076), (12, 21379384), (13, 19734816), (16, 16034538), (24, 10689692), (26, 9867408), (32, 8017269), (39, 6578272), (48, 5344846), (52, 4933704), (78, 3289136), (96, 2672423), (104, 2466852), (156, 1644568), (208, 1233426), (311, 824928), (312, 822284), (416, 616713), (622, 412464), (624, 411142), (661, 388128), (933, 274976), (1244, 206232), (1248, 205571), (1322, 194064), (1866, 137488), (1983, 129376), (2488, 103116), (2644, 97032), (3732, 68744), (3966, 64688), (4043, 63456), (4976, 51558), (5288, 48516), (7464, 34372), (7932, 32344), (8086, 31728), (8593, 29856), (9952, 25779), (10576, 24258), (12129, 21152), (14928, 17186), (15864, 16172)]