31469390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28871}}^1$

素因数の和:28987

約数の個数: 16

約数和(自身を含む): 57166560

約数和(自身を除く): 25697170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28871, 57742, 144355, 288710, 3146939, 6293878, 15734695, 31469390]

約数ペア:

[(1, 31469390), (2, 15734695), (5, 6293878), (10, 3146939), (109, 288710), (218, 144355), (545, 57742), (1090, 28871)]