81257630

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{53813}}^1$

素因数の和:53971

約数の個数: 16

約数和(自身を含む): 147235104

約数和(自身を除く): 65977474

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 53813, 107626, 269065, 538130, 8125763, 16251526, 40628815, 81257630]

約数ペア:

[(1, 81257630), (2, 40628815), (5, 16251526), (10, 8125763), (151, 538130), (302, 269065), (755, 107626), (1510, 53813)]