217729746

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{930469}}^1$

素因数の和:930490

約数の個数: 24

約数和(自身を含む): 508036620

約数和(自身を除く): 290306874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 930469, 1860938, 2791407, 5582814, 8374221, 12096097, 16748442, 24192194, 36288291, 72576582, 108864873, 217729746]

約数ペア:

[(1, 217729746), (2, 108864873), (3, 72576582), (6, 36288291), (9, 24192194), (13, 16748442), (18, 12096097), (26, 8374221), (39, 5582814), (78, 2791407), (117, 1860938), (234, 930469)]