31791991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11159}}^1$

素因数の和:11214

約数の個数: 16

約数和(自身を含む): 40711680

約数和(自身を除く): 8919689

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 11159, 78113, 122749, 412883, 859243, 2890181, 4541713, 31791991]

約数ペア:

[(1, 31791991), (7, 4541713), (11, 2890181), (37, 859243), (77, 412883), (259, 122749), (407, 78113), (2849, 11159)]