63621325

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 81262656

約数和(自身を除く): 17641331

約数列:

[1, 5, 25, 71, 73, 355, 365, 491, 1775, 1825, 2455, 5183, 12275, 25915, 34861, 35843, 129575, 174305, 179215, 871525, 896075, 2544853, 12724265, 63621325]

約数ペア:

[(1, 63621325), (5, 12724265), (25, 2544853), (71, 896075), (73, 871525), (355, 179215), (365, 174305), (491, 129575), (1775, 35843), (1825, 34861), (2455, 25915), (5183, 12275)]