64809530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{209063}}^1$

素因数の和:209101

約数の個数: 16

約数和(自身を含む): 120420864

約数和(自身を除く): 55611334

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 209063, 418126, 1045315, 2090630, 6480953, 12961906, 32404765, 64809530]

約数ペア:

[(1, 64809530), (2, 32404765), (5, 12961906), (10, 6480953), (31, 2090630), (62, 1045315), (155, 418126), (310, 209063)]