1980159472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3992257}}^1$

素因数の和:3992296

約数の個数: 20

約数和(自身を含む): 3960319936

約数和(自身を除く): 1980160464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3992257, 7984514, 15969028, 31938056, 63876112, 123759967, 247519934, 495039868, 990079736, 1980159472]

約数ペア:

[(1, 1980159472), (2, 990079736), (4, 495039868), (8, 247519934), (16, 123759967), (31, 63876112), (62, 31938056), (124, 15969028), (248, 7984514), (496, 3992257)]