221344471

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{18521}}^1$

素因数の和:18594

約数の個数: 16

約数和(自身を含む): 253380960

約数和(自身を除く): 32036489

約数列:

[1, 17, 19, 37, 323, 629, 703, 11951, 18521, 314857, 351899, 685277, 5982283, 11649709, 13020263, 221344471]

約数ペア:

[(1, 221344471), (17, 13020263), (19, 11649709), (37, 5982283), (323, 685277), (629, 351899), (703, 314857), (11951, 18521)]