2205775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 3218544

約数和(自身を除く): 1012769

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 617, 715, 3085, 3575, 6787, 8021, 15425, 33935, 40105, 88231, 169675, 200525, 441155, 2205775]

約数ペア:

[(1, 2205775), (5, 441155), (11, 200525), (13, 169675), (25, 88231), (55, 40105), (65, 33935), (143, 15425), (275, 8021), (325, 6787), (617, 3575), (715, 3085)]