13262275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 36

約数和(自身を含む): 18471288

約数和(自身を除く): 5209013

約数列:

[1, 5, 13, 25, 43, 65, 73, 169, 215, 325, 365, 559, 845, 949, 1075, 1825, 2795, 3139, 4225, 4745, 7267, 12337, 13975, 15695, 23725, 36335, 40807, 61685, 78475, 181675, 204035, 308425, 530491, 1020175, 2652455, 13262275]

約数ペア:

[(1, 13262275), (5, 2652455), (13, 1020175), (25, 530491), (43, 308425), (65, 204035), (73, 181675), (169, 78475), (215, 61685), (325, 40807), (365, 36335), (559, 23725), (845, 15695), (949, 13975), (1075, 12337), (1825, 7267), (2795, 4745), (3139, 4225)]