81290095

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{1607}}^1$

素因数の和:1830

約数の個数: 16

約数和(自身を含む): 99721728

約数和(自身を除く): 18431633

約数列:

[1, 5, 67, 151, 335, 755, 1607, 8035, 10117, 50585, 107669, 242657, 538345, 1213285, 16258019, 81290095]

約数ペア:

[(1, 81290095), (5, 16258019), (67, 1213285), (151, 538345), (335, 242657), (755, 107669), (1607, 50585), (8035, 10117)]