31886770

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 58705920

約数和(自身を除く): 26819150

約数列:

[1, 2, 5, 10, 79, 158, 181, 223, 362, 395, 446, 790, 905, 1115, 1810, 2230, 14299, 17617, 28598, 35234, 40363, 71495, 80726, 88085, 142990, 176170, 201815, 403630, 3188677, 6377354, 15943385, 31886770]

約数ペア:

[(1, 31886770), (2, 15943385), (5, 6377354), (10, 3188677), (79, 403630), (158, 201815), (181, 176170), (223, 142990), (362, 88085), (395, 80726), (446, 71495), (790, 40363), (905, 35234), (1115, 28598), (1810, 17617), (2230, 14299)]