2581975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 3593520

約数和(自身を除く): 1011545

約数列:

[1, 5, 11, 25, 41, 55, 205, 229, 275, 451, 1025, 1145, 2255, 2519, 5725, 9389, 11275, 12595, 46945, 62975, 103279, 234725, 516395, 2581975]

約数ペア:

[(1, 2581975), (5, 516395), (11, 234725), (25, 103279), (41, 62975), (55, 46945), (205, 12595), (229, 11275), (275, 9389), (451, 5725), (1025, 2519), (1145, 2255)]