25491245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 11643475

約数列:

[1, 5, 13, 17, 23, 59, 65, 85, 115, 221, 289, 295, 299, 391, 767, 1003, 1105, 1357, 1445, 1495, 1955, 3757, 3835, 5015, 5083, 6647, 6785, 13039, 17051, 17641, 18785, 23069, 25415, 33235, 65195, 85255, 86411, 88205, 115345, 221663, 299897, 392173, 432055, 1108315, 1499485, 1960865, 5098249, 25491245]

約数ペア:

[(1, 25491245), (5, 5098249), (13, 1960865), (17, 1499485), (23, 1108315), (59, 432055), (65, 392173), (85, 299897), (115, 221663), (221, 115345), (289, 88205), (295, 86411), (299, 85255), (391, 65195), (767, 33235), (1003, 25415), (1105, 23069), (1357, 18785), (1445, 17641), (1495, 17051), (1955, 13039), (3757, 6785), (3835, 6647), (5015, 5083)]