2197805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 2757888

約数和(自身を除く): 560083

約数列:

[1, 5, 41, 71, 151, 205, 355, 755, 2911, 6191, 10721, 14555, 30955, 53605, 439561, 2197805]

約数ペア:

[(1, 2197805), (5, 439561), (41, 53605), (71, 30955), (151, 14555), (205, 10721), (355, 6191), (755, 2911)]