31880212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87583}}^1$

素因数の和:87607

約数の個数: 24

約数和(自身を含む): 68665856

約数和(自身を除く): 36785644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 87583, 175166, 350332, 613081, 1138579, 1226162, 2277158, 2452324, 4554316, 7970053, 15940106, 31880212]

約数ペア:

[(1, 31880212), (2, 15940106), (4, 7970053), (7, 4554316), (13, 2452324), (14, 2277158), (26, 1226162), (28, 1138579), (52, 613081), (91, 350332), (182, 175166), (364, 87583)]