81157790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1159397}}^1$

素因数の和:1159411

約数の個数: 16

約数和(自身を含む): 166953312

約数和(自身を除く): 85795522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1159397, 2318794, 5796985, 8115779, 11593970, 16231558, 40578895, 81157790]

約数ペア:

[(1, 81157790), (2, 40578895), (5, 16231558), (7, 11593970), (10, 8115779), (14, 5796985), (35, 2318794), (70, 1159397)]