64990670

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97001}}^1$

素因数の和:97075

約数の個数: 16

約数和(自身を含む): 118730448

約数和(自身を除く): 53739778

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 97001, 194002, 485005, 970010, 6499067, 12998134, 32495335, 64990670]

約数ペア:

[(1, 64990670), (2, 32495335), (5, 12998134), (10, 6499067), (67, 970010), (134, 485005), (335, 194002), (670, 97001)]