12707656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 27720000

約数和(自身を除く): 15012344

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 76, 104, 109, 118, 152, 218, 236, 247, 436, 472, 494, 767, 872, 988, 1121, 1417, 1534, 1976, 2071, 2242, 2834, 3068, 4142, 4484, 5668, 6136, 6431, 8284, 8968, 11336, 12862, 14573, 16568, 25724, 26923, 29146, 51448, 53846, 58292, 83603, 107692, 116584, 122189, 167206, 215384, 244378, 334412, 488756, 668824, 977512, 1588457, 3176914, 6353828, 12707656]

約数ペア:

[(1, 12707656), (2, 6353828), (4, 3176914), (8, 1588457), (13, 977512), (19, 668824), (26, 488756), (38, 334412), (52, 244378), (59, 215384), (76, 167206), (104, 122189), (109, 116584), (118, 107692), (152, 83603), (218, 58292), (236, 53846), (247, 51448), (436, 29146), (472, 26923), (494, 25724), (767, 16568), (872, 14573), (988, 12862), (1121, 11336), (1417, 8968), (1534, 8284), (1976, 6431), (2071, 6136), (2242, 5668), (2834, 4484), (3068, 4142)]