78210076

素因数分解:

$2^2\times 7^2\times {\mathrm{399031}}^1$

素因数の和:399049

約数の個数: 18

約数和(自身を含む): 159213768

約数和(自身を除く): 81003692

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 399031, 798062, 1596124, 2793217, 5586434, 11172868, 19552519, 39105038, 78210076]

約数ペア:

[(1, 78210076), (2, 39105038), (4, 19552519), (7, 11172868), (14, 5586434), (28, 2793217), (49, 1596124), (98, 798062), (196, 399031)]