31631656

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 75513600

約数和(自身を除く): 43881944

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 49, 56, 62, 76, 98, 124, 133, 137, 152, 196, 217, 248, 266, 274, 392, 434, 532, 548, 589, 868, 931, 959, 1064, 1096, 1178, 1519, 1736, 1862, 1918, 2356, 2603, 3038, 3724, 3836, 4123, 4247, 4712, 5206, 6076, 6713, 7448, 7672, 8246, 8494, 10412, 12152, 13426, 16492, 16988, 18221, 20824, 26852, 28861, 29729, 32984, 33976, 36442, 53704, 57722, 59458, 72884, 80693, 115444, 118916, 127547, 145768, 161386, 208103, 230888, 237832, 255094, 322772, 416206, 510188, 564851, 645544, 832412, 1020376, 1129702, 1664824, 2259404, 3953957, 4518808, 7907914, 15815828, 31631656]

約数ペア:

[(1, 31631656), (2, 15815828), (4, 7907914), (7, 4518808), (8, 3953957), (14, 2259404), (19, 1664824), (28, 1129702), (31, 1020376), (38, 832412), (49, 645544), (56, 564851), (62, 510188), (76, 416206), (98, 322772), (124, 255094), (133, 237832), (137, 230888), (152, 208103), (196, 161386), (217, 145768), (248, 127547), (266, 118916), (274, 115444), (392, 80693), (434, 72884), (532, 59458), (548, 57722), (589, 53704), (868, 36442), (931, 33976), (959, 32984), (1064, 29729), (1096, 28861), (1178, 26852), (1519, 20824), (1736, 18221), (1862, 16988), (1918, 16492), (2356, 13426), (2603, 12152), (3038, 10412), (3724, 8494), (3836, 8246), (4123, 7672), (4247, 7448), (4712, 6713), (5206, 6076)]