2021772025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{888691}}^1$

素因数の和:888721

約数の個数: 24

約数和(自身を含む): 3085538624

約数和(自身を除く): 1063766599

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 888691, 4443455, 6220837, 11552983, 22217275, 31104185, 57764915, 80870881, 155520925, 288824575, 404354405, 2021772025]

約数ペア:

[(1, 2021772025), (5, 404354405), (7, 288824575), (13, 155520925), (25, 80870881), (35, 57764915), (65, 31104185), (91, 22217275), (175, 11552983), (325, 6220837), (455, 4443455), (2275, 888691)]