217603998

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{2297}}^1$

素因数の和:2601

約数の個数: 48

約数和(自身を含む): 498298320

約数和(自身を除く): 280694322

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 277, 342, 554, 831, 1662, 2297, 2493, 4594, 4986, 5263, 6891, 10526, 13782, 15789, 20673, 31578, 41346, 43643, 47367, 87286, 94734, 130929, 261858, 392787, 636269, 785574, 1272538, 1908807, 3817614, 5726421, 11452842, 12089111, 24178222, 36267333, 72534666, 108801999, 217603998]

約数ペア:

[(1, 217603998), (2, 108801999), (3, 72534666), (6, 36267333), (9, 24178222), (18, 12089111), (19, 11452842), (38, 5726421), (57, 3817614), (114, 1908807), (171, 1272538), (277, 785574), (342, 636269), (554, 392787), (831, 261858), (1662, 130929), (2297, 94734), (2493, 87286), (4594, 47367), (4986, 43643), (5263, 41346), (6891, 31578), (10526, 20673), (13782, 15789)]