256596145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127343}}^1$

素因数の和:127392

約数の個数: 16

約数和(自身を含む): 342300672

約数和(自身を除く): 85704527

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 127343, 636715, 1655459, 3947633, 8277295, 19738165, 51319229, 256596145]

約数ペア:

[(1, 256596145), (5, 51319229), (13, 19738165), (31, 8277295), (65, 3947633), (155, 1655459), (403, 636715), (2015, 127343)]