31311497

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{251}}^2$

素因数の和:580

約数の個数: 12

約数和(自身を含む): 36433728

約数和(自身を除く): 5122231

約数列:

[1, 7, 71, 251, 497, 1757, 17821, 63001, 124747, 441007, 4473071, 31311497]

約数ペア:

[(1, 31311497), (7, 4473071), (71, 441007), (251, 124747), (497, 63001), (1757, 17821)]