31225990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 58392576

約数和(自身を除く): 27166586

約数列:

[1, 2, 5, 10, 31, 62, 155, 263, 310, 383, 526, 766, 1315, 1915, 2630, 3830, 8153, 11873, 16306, 23746, 40765, 59365, 81530, 100729, 118730, 201458, 503645, 1007290, 3122599, 6245198, 15612995, 31225990]

約数ペア:

[(1, 31225990), (2, 15612995), (5, 6245198), (10, 3122599), (31, 1007290), (62, 503645), (155, 201458), (263, 118730), (310, 100729), (383, 81530), (526, 59365), (766, 40765), (1315, 23746), (1915, 16306), (2630, 11873), (3830, 8153)]