215570251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 259011648

約数和(自身を除く): 43441397

約数列:

[1, 13, 17, 37, 41, 221, 481, 533, 629, 643, 697, 1517, 8177, 8359, 9061, 10931, 19721, 23791, 25789, 26363, 142103, 309283, 335257, 342719, 404447, 448171, 975431, 5257811, 5826223, 12680603, 16582327, 215570251]

約数ペア:

[(1, 215570251), (13, 16582327), (17, 12680603), (37, 5826223), (41, 5257811), (221, 975431), (481, 448171), (533, 404447), (629, 342719), (643, 335257), (697, 309283), (1517, 142103), (8177, 26363), (8359, 25789), (9061, 23791), (10931, 19721)]