157378438

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109139}}^1$

素因数の和:109251

約数の個数: 16

約数和(自身を含む): 272413440

約数和(自身を除く): 115035002

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 109139, 218278, 763973, 1527946, 11241317, 22482634, 78689219, 157378438]

約数ペア:

[(1, 157378438), (2, 78689219), (7, 22482634), (14, 11241317), (103, 1527946), (206, 763973), (721, 218278), (1442, 109139)]