2642315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 3557520

約数和(自身を除く): 915205

約数列:

[1, 5, 13, 53, 59, 65, 169, 265, 295, 689, 767, 845, 3127, 3445, 3835, 8957, 9971, 15635, 40651, 44785, 49855, 203255, 528463, 2642315]

約数ペア:

[(1, 2642315), (5, 528463), (13, 203255), (53, 49855), (59, 44785), (65, 40651), (169, 15635), (265, 9971), (295, 8957), (689, 3835), (767, 3445), (845, 3127)]