81268655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18661}}^1$

素因数の和:18746

約数の個数: 16

約数和(自身を含む): 106597344

約数和(自身を除く): 25328689

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 18661, 93305, 242593, 1212965, 1250287, 6251435, 16253731, 81268655]

約数ペア:

[(1, 81268655), (5, 16253731), (13, 6251435), (65, 1250287), (67, 1212965), (335, 242593), (871, 93305), (4355, 18661)]