261182402

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1\times {\mathrm{1721}}^1$

素因数の和:2198

約数の個数: 24

約数和(自身を含む): 425420100

約数和(自身を除く): 164237698

約数列:

[1, 2, 13, 26, 169, 338, 449, 898, 1721, 3442, 5837, 11674, 22373, 44746, 75881, 151762, 290849, 581698, 772729, 1545458, 10045477, 20090954, 130591201, 261182402]

約数ペア:

[(1, 261182402), (2, 130591201), (13, 20090954), (26, 10045477), (169, 1545458), (338, 772729), (449, 581698), (898, 290849), (1721, 151762), (3442, 75881), (5837, 44746), (11674, 22373)]