640033368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4111}}^1$

素因数の和:4632

約数の個数: 64

約数和(自身を含む): 1727040000

約数和(自身を除く): 1087006632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 499, 998, 1497, 1996, 2994, 3992, 4111, 5988, 6487, 8222, 11976, 12333, 12974, 16444, 19461, 24666, 25948, 32888, 38922, 49332, 51896, 53443, 77844, 98664, 106886, 155688, 160329, 213772, 320658, 427544, 641316, 1282632, 2051389, 4102778, 6154167, 8205556, 12308334, 16411112, 24616668, 26668057, 49233336, 53336114, 80004171, 106672228, 160008342, 213344456, 320016684, 640033368]

約数ペア:

[(1, 640033368), (2, 320016684), (3, 213344456), (4, 160008342), (6, 106672228), (8, 80004171), (12, 53336114), (13, 49233336), (24, 26668057), (26, 24616668), (39, 16411112), (52, 12308334), (78, 8205556), (104, 6154167), (156, 4102778), (312, 2051389), (499, 1282632), (998, 641316), (1497, 427544), (1996, 320658), (2994, 213772), (3992, 160329), (4111, 155688), (5988, 106886), (6487, 98664), (8222, 77844), (11976, 53443), (12333, 51896), (12974, 49332), (16444, 38922), (19461, 32888), (24666, 25948)]