290810845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{144323}}^1$

素因数の和:144372

約数の個数: 16

約数和(自身を含む): 387942912

約数和(自身を除く): 97132067

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 144323, 721615, 1876199, 4474013, 9380995, 22370065, 58162169, 290810845]

約数ペア:

[(1, 290810845), (5, 58162169), (13, 22370065), (31, 9380995), (65, 4474013), (155, 1876199), (403, 721615), (2015, 144323)]