1961617

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 20

約数和(自身を含む): 2464880

約数和(自身を除く): 503263

約数列:

[1, 7, 19, 43, 49, 133, 301, 343, 817, 931, 2107, 2401, 5719, 6517, 14749, 40033, 45619, 103243, 280231, 1961617]

約数ペア:

[(1, 1961617), (7, 280231), (19, 103243), (43, 45619), (49, 40033), (133, 14749), (301, 6517), (343, 5719), (817, 2401), (931, 2107)]