8520783985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{21391}}^1$

素因数の和:22021

約数の個数: 32

約数和(自身を含む): 12321792000

約数和(自身を除く): 3801008015

約数列:

[1, 5, 7, 19, 35, 95, 133, 599, 665, 2995, 4193, 11381, 20965, 21391, 56905, 79667, 106955, 149737, 398335, 406429, 748685, 2032145, 2845003, 12813209, 14225015, 64066045, 89692463, 243450971, 448462315, 1217254855, 1704156797, 8520783985]

約数ペア:

[(1, 8520783985), (5, 1704156797), (7, 1217254855), (19, 448462315), (35, 243450971), (95, 89692463), (133, 64066045), (599, 14225015), (665, 12813209), (2995, 2845003), (4193, 2032145), (11381, 748685), (20965, 406429), (21391, 398335), (56905, 149737), (79667, 106955)]