128215717

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 158362880

約数和(自身を除く): 30147163

約数列:

[1, 7, 17, 61, 119, 289, 427, 1037, 1039, 2023, 7259, 7273, 17629, 17663, 63379, 123403, 123641, 300271, 443653, 1077443, 2101897, 7542101, 18316531, 128215717]

約数ペア:

[(1, 128215717), (7, 18316531), (17, 7542101), (61, 2101897), (119, 1077443), (289, 443653), (427, 300271), (1037, 123641), (1039, 123403), (2023, 63379), (7259, 17663), (7273, 17629)]