81417367070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626287439}}^1$

素因数の和:626287459

約数の個数: 16

約数和(自身を含む): 157824434880

約数和(自身を除く): 76407067810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 626287439, 1252574878, 3131437195, 6262874390, 8141736707, 16283473414, 40708683535, 81417367070]

約数ペア:

[(1, 81417367070), (2, 40708683535), (5, 16283473414), (10, 8141736707), (13, 6262874390), (26, 3131437195), (65, 1252574878), (130, 626287439)]