261034865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{44131}}^1$

素因数の和:44169

約数の個数: 24

約数和(自身を含む): 387655488

約数和(自身を除く): 126620623

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 44131, 220655, 308917, 573703, 1544585, 2868515, 4015921, 7458139, 20079605, 37290695, 52206973, 261034865]

約数ペア:

[(1, 261034865), (5, 52206973), (7, 37290695), (13, 20079605), (35, 7458139), (65, 4015921), (91, 2868515), (169, 1544585), (455, 573703), (845, 308917), (1183, 220655), (5915, 44131)]