261082991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{2741}}^1$

素因数の和:3202

約数の個数: 16

約数和(自身を含む): 298505088

約数和(自身を除く): 37422097

約数列:

[1, 13, 17, 221, 431, 2741, 5603, 7327, 35633, 46597, 95251, 605761, 1181371, 15357823, 20083307, 261082991]

約数ペア:

[(1, 261082991), (13, 20083307), (17, 15357823), (221, 1181371), (431, 605761), (2741, 95251), (5603, 46597), (7327, 35633)]