642456

素因数分解:

$2^3\times 3^2\times {\mathrm{8923}}^1$

素因数の和:8935

約数の個数: 24

約数和(自身を含む): 1740180

約数和(自身を除く): 1097724

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8923, 17846, 26769, 35692, 53538, 71384, 80307, 107076, 160614, 214152, 321228, 642456]

約数ペア:

[(1, 642456), (2, 321228), (3, 214152), (4, 160614), (6, 107076), (8, 80307), (9, 71384), (12, 53538), (18, 35692), (24, 26769), (36, 17846), (72, 8923)]