31208710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 60746112

約数和(自身を除く): 29537402

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 557, 862, 1114, 2155, 2785, 4310, 5570, 5603, 7241, 11206, 14482, 28015, 36205, 56030, 72410, 240067, 480134, 1200335, 2400670, 3120871, 6241742, 15604355, 31208710]

約数ペア:

[(1, 31208710), (2, 15604355), (5, 6241742), (10, 3120871), (13, 2400670), (26, 1200335), (65, 480134), (130, 240067), (431, 72410), (557, 56030), (862, 36205), (1114, 28015), (2155, 14482), (2785, 11206), (4310, 7241), (5570, 5603)]