221549525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 304404624

約数和(自身を除く): 82855099

約数列:

[1, 5, 17, 25, 37, 73, 85, 185, 193, 365, 425, 629, 925, 965, 1241, 1825, 2701, 3145, 3281, 4825, 6205, 7141, 13505, 14089, 15725, 16405, 31025, 35705, 45917, 67525, 70445, 82025, 121397, 178525, 229585, 239513, 352225, 521293, 606985, 1147925, 1197565, 2606465, 3034925, 5987825, 8861981, 13032325, 44309905, 221549525]

約数ペア:

[(1, 221549525), (5, 44309905), (17, 13032325), (25, 8861981), (37, 5987825), (73, 3034925), (85, 2606465), (185, 1197565), (193, 1147925), (365, 606985), (425, 521293), (629, 352225), (925, 239513), (965, 229585), (1241, 178525), (1825, 121397), (2701, 82025), (3145, 70445), (3281, 67525), (4825, 45917), (6205, 35705), (7141, 31025), (13505, 16405), (14089, 15725)]