680925416

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{19753}}^1$

素因数の和:19929

約数の個数: 32

約数和(自身を含む): 1327468800

約数和(自身を除く): 646543384

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 1112, 4309, 8618, 17236, 19753, 34472, 39506, 79012, 158024, 612343, 1224686, 2449372, 2745667, 4898744, 5491334, 10982668, 21965336, 85115677, 170231354, 340462708, 680925416]

約数ペア:

[(1, 680925416), (2, 340462708), (4, 170231354), (8, 85115677), (31, 21965336), (62, 10982668), (124, 5491334), (139, 4898744), (248, 2745667), (278, 2449372), (556, 1224686), (1112, 612343), (4309, 158024), (8618, 79012), (17236, 39506), (19753, 34472)]