2600015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 3489696

約数和(自身を除く): 889681

約数列:

[1, 5, 11, 41, 55, 205, 451, 1153, 2255, 5765, 12683, 47273, 63415, 236365, 520003, 2600015]

約数ペア:

[(1, 2600015), (5, 520003), (11, 236365), (41, 63415), (55, 47273), (205, 12683), (451, 5765), (1153, 2255)]