72348445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21001}}^1$

素因数の和:21072

約数の個数: 16

約数和(自身を含む): 95265072

約数和(自身を除く): 22916627

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 21001, 105005, 273013, 1113053, 1365065, 5565265, 14469689, 72348445]

約数ペア:

[(1, 72348445), (5, 14469689), (13, 5565265), (53, 1365065), (65, 1113053), (265, 273013), (689, 105005), (3445, 21001)]