1991045

素因数分解:

$5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 2755200

約数和(自身を除く): 764155

約数列:

[1, 5, 7, 35, 163, 349, 815, 1141, 1745, 2443, 5705, 12215, 56887, 284435, 398209, 1991045]

約数ペア:

[(1, 1991045), (5, 398209), (7, 284435), (35, 56887), (163, 12215), (349, 5705), (815, 2443), (1141, 1745)]