78545789

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 92226048

約数和(自身を除く): 13680259

約数列:

[1, 7, 47, 193, 329, 1237, 1351, 8659, 9071, 58139, 63497, 238741, 406973, 1671187, 11220827, 78545789]

約数ペア:

[(1, 78545789), (7, 11220827), (47, 1671187), (193, 406973), (329, 238741), (1237, 63497), (1351, 58139), (8659, 9071)]