31319156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{64709}}^1$

素因数の和:64735

約数の個数: 18

約数和(自身を含む): 60245010

約数和(自身を除く): 28925854

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 64709, 129418, 258836, 711799, 1423598, 2847196, 7829789, 15659578, 31319156]

約数ペア:

[(1, 31319156), (2, 15659578), (4, 7829789), (11, 2847196), (22, 1423598), (44, 711799), (121, 258836), (242, 129418), (484, 64709)]