72478511

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 85976640

約数和(自身を除く): 13498129

約数列:

[1, 7, 29, 203, 557, 641, 3899, 4487, 16153, 18589, 113071, 130123, 357037, 2499259, 10354073, 72478511]

約数ペア:

[(1, 72478511), (7, 10354073), (29, 2499259), (203, 357037), (557, 130123), (641, 113071), (3899, 18589), (4487, 16153)]