78621991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3691}}^1$

素因数の和:3894

約数の個数: 16

約数和(自身を含む): 95696640

約数和(自身を除く): 17074649

約数列:

[1, 7, 17, 119, 179, 1253, 3043, 3691, 21301, 25837, 62747, 439229, 660689, 4624823, 11231713, 78621991]

約数ペア:

[(1, 78621991), (7, 11231713), (17, 4624823), (119, 660689), (179, 439229), (1253, 62747), (3043, 25837), (3691, 21301)]