31396490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101279}}^1$

素因数の和:101317

約数の個数: 16

約数和(自身を含む): 58337280

約数和(自身を除く): 26940790

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 101279, 202558, 506395, 1012790, 3139649, 6279298, 15698245, 31396490]

約数ペア:

[(1, 31396490), (2, 15698245), (5, 6279298), (10, 3139649), (31, 1012790), (62, 506395), (155, 202558), (310, 101279)]