25274665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 35108640

約数和(自身を除く): 9833975

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 257, 445, 1105, 1157, 1285, 1513, 3341, 4369, 5785, 7565, 16705, 19669, 21845, 22873, 56797, 98345, 114365, 283985, 297349, 388841, 1486745, 1944205, 5054933, 25274665]

約数ペア:

[(1, 25274665), (5, 5054933), (13, 1944205), (17, 1486745), (65, 388841), (85, 297349), (89, 283985), (221, 114365), (257, 98345), (445, 56797), (1105, 22873), (1157, 21845), (1285, 19669), (1513, 16705), (3341, 7565), (4369, 5785)]