31928390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{547}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 62143200

約数和(自身を除く): 30214810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 547, 898, 1094, 2245, 2735, 4490, 5470, 5837, 7111, 11674, 14222, 29185, 35555, 58370, 71110, 245603, 491206, 1228015, 2456030, 3192839, 6385678, 15964195, 31928390]

約数ペア:

[(1, 31928390), (2, 15964195), (5, 6385678), (10, 3192839), (13, 2456030), (26, 1228015), (65, 491206), (130, 245603), (449, 71110), (547, 58370), (898, 35555), (1094, 29185), (2245, 14222), (2735, 11674), (4490, 7111), (5470, 5837)]