219627811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{1693}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 251010144

約数和(自身を除く): 31382333

約数列:

[1, 13, 17, 221, 587, 1693, 7631, 9979, 22009, 28781, 129727, 374153, 993791, 12919283, 16894447, 219627811]

約数ペア:

[(1, 219627811), (13, 16894447), (17, 12919283), (221, 993791), (587, 374153), (1693, 129727), (7631, 28781), (9979, 22009)]