164706199

素因数分解:

$7^4\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:588

約数の個数: 20

約数和(自身を含む): 193717160

約数和(自身を除く): 29010961

約数列:

[1, 7, 49, 181, 343, 379, 1267, 2401, 2653, 8869, 18571, 62083, 68599, 129997, 434581, 480193, 909979, 3361351, 23529457, 164706199]

約数ペア:

[(1, 164706199), (7, 23529457), (49, 3361351), (181, 909979), (343, 480193), (379, 434581), (1267, 129997), (2401, 68599), (2653, 62083), (8869, 18571)]