28675075

素因数分解:

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

素因数の和:664

約数の個数: 36

約数和(自身を含む): 42070968

約数和(自身を除く): 13395893

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 617, 715, 845, 1859, 3085, 3575, 4225, 6787, 8021, 9295, 15425, 33935, 40105, 46475, 88231, 104273, 169675, 200525, 441155, 521365, 1147003, 2205775, 2606825, 5735015, 28675075]

約数ペア:

[(1, 28675075), (5, 5735015), (11, 2606825), (13, 2205775), (25, 1147003), (55, 521365), (65, 441155), (143, 200525), (169, 169675), (275, 104273), (325, 88231), (617, 46475), (715, 40105), (845, 33935), (1859, 15425), (3085, 9295), (3575, 8021), (4225, 6787)]