208075721

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{11933}}^1$

素因数の和:12040

約数の個数: 16

約数和(自身を含む): 247463424

約数和(自身を除く): 39387703

約数列:

[1, 7, 47, 53, 329, 371, 2491, 11933, 17437, 83531, 560851, 632449, 3925957, 4427143, 29725103, 208075721]

約数ペア:

[(1, 208075721), (7, 29725103), (47, 4427143), (53, 3925957), (329, 632449), (371, 560851), (2491, 83531), (11933, 17437)]