201131255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{99817}}^1$

素因数の和:99866

約数の個数: 16

約数和(自身を含む): 268310784

約数和(自身を除く): 67179529

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 99817, 499085, 1297621, 3094327, 6488105, 15471635, 40226251, 201131255]

約数ペア:

[(1, 201131255), (5, 40226251), (13, 15471635), (31, 6488105), (65, 3094327), (155, 1297621), (403, 499085), (2015, 99817)]