656982456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 1873132800

約数和(自身を除く): 1216150344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 307, 312, 361, 456, 494, 614, 722, 741, 921, 988, 1083, 1228, 1444, 1482, 1842, 1976, 2166, 2456, 2888, 2964, 3684, 3991, 4332, 4693, 5833, 5928, 6859, 7368, 7982, 8664, 9386, 11666, 11973, 13718, 14079, 15964, 17499, 18772, 20577, 23332, 23946, 27436, 28158, 31928, 34998, 37544, 41154, 46664, 47892, 54872, 56316, 69996, 75829, 82308, 89167, 95784, 110827, 112632, 139992, 151658, 164616, 178334, 221654, 227487, 267501, 303316, 332481, 356668, 443308, 454974, 535002, 606632, 664962, 713336, 886616, 909948, 1070004, 1329924, 1440751, 1819896, 2105713, 2140008, 2659848, 2881502, 4211426, 4322253, 5763004, 6317139, 8422852, 8644506, 11526008, 12634278, 16845704, 17289012, 25268556, 27374269, 34578024, 50537112, 54748538, 82122807, 109497076, 164245614, 218994152, 328491228, 656982456]

約数ペア:

[(1, 656982456), (2, 328491228), (3, 218994152), (4, 164245614), (6, 109497076), (8, 82122807), (12, 54748538), (13, 50537112), (19, 34578024), (24, 27374269), (26, 25268556), (38, 17289012), (39, 16845704), (52, 12634278), (57, 11526008), (76, 8644506), (78, 8422852), (104, 6317139), (114, 5763004), (152, 4322253), (156, 4211426), (228, 2881502), (247, 2659848), (307, 2140008), (312, 2105713), (361, 1819896), (456, 1440751), (494, 1329924), (614, 1070004), (722, 909948), (741, 886616), (921, 713336), (988, 664962), (1083, 606632), (1228, 535002), (1444, 454974), (1482, 443308), (1842, 356668), (1976, 332481), (2166, 303316), (2456, 267501), (2888, 227487), (2964, 221654), (3684, 178334), (3991, 164616), (4332, 151658), (4693, 139992), (5833, 112632), (5928, 110827), (6859, 95784), (7368, 89167), (7982, 82308), (8664, 75829), (9386, 69996), (11666, 56316), (11973, 54872), (13718, 47892), (14079, 46664), (15964, 41154), (17499, 37544), (18772, 34998), (20577, 31928), (23332, 28158), (23946, 27436)]