1007988890428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{967}}^1\times {\mathrm{127681}}^1$

素因数の和:128822

約数の個数: 48

約数和(自身を含む): 1913763189184

約数和(自身を除く): 905774298756

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 967, 1934, 2041, 3868, 4082, 8164, 12571, 25142, 50284, 127681, 151819, 255362, 303638, 510724, 607276, 1659853, 1973647, 3319706, 3947294, 6639412, 7894588, 20045917, 40091834, 80183668, 123467527, 246935054, 260596921, 493870108, 521193842, 1042387684, 1605077851, 3210155702, 6420311404, 19384401739, 38768803478, 77537606956, 251997222607, 503994445214, 1007988890428]

約数ペア:

[(1, 1007988890428), (2, 503994445214), (4, 251997222607), (13, 77537606956), (26, 38768803478), (52, 19384401739), (157, 6420311404), (314, 3210155702), (628, 1605077851), (967, 1042387684), (1934, 521193842), (2041, 493870108), (3868, 260596921), (4082, 246935054), (8164, 123467527), (12571, 80183668), (25142, 40091834), (50284, 20045917), (127681, 7894588), (151819, 6639412), (255362, 3947294), (303638, 3319706), (510724, 1973647), (607276, 1659853)]