40290971

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 47222784

約数和(自身を除く): 6931813

約数列:

[1, 7, 53, 223, 371, 487, 1561, 3409, 11819, 25811, 82733, 108601, 180677, 760207, 5755853, 40290971]

約数ペア:

[(1, 40290971), (7, 5755853), (53, 760207), (223, 180677), (371, 108601), (487, 82733), (1561, 25811), (3409, 11819)]