31189990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3037}}^1$

素因数の和:3136

約数の個数: 32

約数和(自身を含む): 61246080

約数和(自身を除く): 30056090

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 3037, 5135, 6074, 10270, 15185, 30370, 39481, 78962, 197405, 239923, 394810, 479846, 1199615, 2399230, 3118999, 6237998, 15594995, 31189990]

約数ペア:

[(1, 31189990), (2, 15594995), (5, 6237998), (10, 3118999), (13, 2399230), (26, 1199615), (65, 479846), (79, 394810), (130, 239923), (158, 197405), (395, 78962), (790, 39481), (1027, 30370), (2054, 15185), (3037, 10270), (5135, 6074)]