2021707675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{6220639}}^1$

素因数の和:6220662

約数の個数: 12

約数和(自身を含む): 2699757760

約数和(自身を除く): 678050085

約数列:

[1, 5, 13, 25, 65, 325, 6220639, 31103195, 80868307, 155515975, 404341535, 2021707675]

約数ペア:

[(1, 2021707675), (5, 404341535), (13, 155515975), (25, 80868307), (65, 31103195), (325, 6220639)]