31216390

素因数分解:

$2^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{3793}}^1$

素因数の和:4623

約数の個数: 16

約数和(自身を含む): 56272608

約数和(自身を除く): 25056218

約数列:

[1, 2, 5, 10, 823, 1646, 3793, 4115, 7586, 8230, 18965, 37930, 3121639, 6243278, 15608195, 31216390]

約数ペア:

[(1, 31216390), (2, 15608195), (5, 6243278), (10, 3121639), (823, 37930), (1646, 18965), (3793, 8230), (4115, 7586)]