355939025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6719}}^1$

素因数の和:6905

約数の個数: 24

約数和(自身を含む): 478302720

約数和(自身を除く): 122363695

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 2119, 4075, 6719, 10595, 33595, 52975, 87347, 167975, 436735, 1095197, 2183675, 5475985, 14237561, 27379925, 71187805, 355939025]

約数ペア:

[(1, 355939025), (5, 71187805), (13, 27379925), (25, 14237561), (65, 5475985), (163, 2183675), (325, 1095197), (815, 436735), (2119, 167975), (4075, 87347), (6719, 52975), (10595, 33595)]