28928570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 57032640

約数和(自身を除く): 28104070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 643, 818, 1286, 2045, 3215, 4090, 4499, 6430, 7073, 8998, 14146, 22495, 35365, 44990, 70730, 262987, 525974, 1314935, 2629870, 2892857, 5785714, 14464285, 28928570]

約数ペア:

[(1, 28928570), (2, 14464285), (5, 5785714), (10, 2892857), (11, 2629870), (22, 1314935), (55, 525974), (110, 262987), (409, 70730), (643, 44990), (818, 35365), (1286, 22495), (2045, 14146), (3215, 8998), (4090, 7073), (4499, 6430)]