90202189

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4523}}^1$

素因数の和:4585

約数の個数: 24

約数和(自身を含む): 117587808

約数和(自身を除く): 27385619

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1813, 2849, 4523, 19943, 31661, 49753, 167351, 221627, 348271, 1171457, 1840861, 2437897, 8200199, 12886027, 90202189]

約数ペア:

[(1, 90202189), (7, 12886027), (11, 8200199), (37, 2437897), (49, 1840861), (77, 1171457), (259, 348271), (407, 221627), (539, 167351), (1813, 49753), (2849, 31661), (4523, 19943)]