2638555

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 3312288

約数和(自身を除く): 673733

約数列:

[1, 5, 41, 61, 205, 211, 305, 1055, 2501, 8651, 12505, 12871, 43255, 64355, 527711, 2638555]

約数ペア:

[(1, 2638555), (5, 527711), (41, 64355), (61, 43255), (205, 12871), (211, 12505), (305, 8651), (1055, 2501)]