129013816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 268738560

約数和(自身を除く): 139724744

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 71, 124, 136, 142, 248, 284, 431, 527, 568, 862, 1054, 1207, 1724, 2108, 2201, 2414, 3448, 4216, 4402, 4828, 7327, 8804, 9656, 13361, 14654, 17608, 26722, 29308, 30601, 37417, 53444, 58616, 61202, 74834, 106888, 122404, 149668, 227137, 244808, 299336, 454274, 520217, 908548, 948631, 1040434, 1817096, 1897262, 2080868, 3794524, 4161736, 7589048, 16126727, 32253454, 64506908, 129013816]

約数ペア:

[(1, 129013816), (2, 64506908), (4, 32253454), (8, 16126727), (17, 7589048), (31, 4161736), (34, 3794524), (62, 2080868), (68, 1897262), (71, 1817096), (124, 1040434), (136, 948631), (142, 908548), (248, 520217), (284, 454274), (431, 299336), (527, 244808), (568, 227137), (862, 149668), (1054, 122404), (1207, 106888), (1724, 74834), (2108, 61202), (2201, 58616), (2414, 53444), (3448, 37417), (4216, 30601), (4402, 29308), (4828, 26722), (7327, 17608), (8804, 14654), (9656, 13361)]