89999819

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8311}}^1$

素因数の和:8355

約数の個数: 24

約数和(自身を含む): 119393568

約数和(自身を除く): 29393749

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 8311, 10829, 58177, 108043, 141287, 407239, 756301, 989009, 1836731, 5294107, 6923063, 12857117, 89999819]

約数ペア:

[(1, 89999819), (7, 12857117), (13, 6923063), (17, 5294107), (49, 1836731), (91, 989009), (119, 756301), (221, 407239), (637, 141287), (833, 108043), (1547, 58177), (8311, 10829)]