172420016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{347621}}^1$

素因数の和:347660

約数の個数: 20

約数和(自身を含む): 344841024

約数和(自身を除く): 172421008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 347621, 695242, 1390484, 2780968, 5561936, 10776251, 21552502, 43105004, 86210008, 172420016]

約数ペア:

[(1, 172420016), (2, 86210008), (4, 43105004), (8, 21552502), (16, 10776251), (31, 5561936), (62, 2780968), (124, 1390484), (248, 695242), (496, 347621)]