1397263

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1695744

約数和(自身を除く): 298481

約数列:

[1, 7, 31, 47, 137, 217, 329, 959, 1457, 4247, 6439, 10199, 29729, 45073, 199609, 1397263]

約数ペア:

[(1, 1397263), (7, 199609), (31, 45073), (47, 29729), (137, 10199), (217, 6439), (329, 4247), (959, 1457)]