31131230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2371}}^1$

素因数の和:2492

約数の個数: 32

約数和(自身を含む): 60969888

約数和(自身を除く): 29838658

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2371, 2626, 4742, 6565, 11855, 13130, 23710, 30823, 61646, 154115, 239471, 308230, 478942, 1197355, 2394710, 3113123, 6226246, 15565615, 31131230]

約数ペア:

[(1, 31131230), (2, 15565615), (5, 6226246), (10, 3113123), (13, 2394710), (26, 1197355), (65, 478942), (101, 308230), (130, 239471), (202, 154115), (505, 61646), (1010, 30823), (1313, 23710), (2371, 13130), (2626, 11855), (4742, 6565)]