217898428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{14029}}^1$

素因数の和:14397

約数の個数: 24

約数和(自身を含む): 417196080

約数和(自身を除く): 199297652

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1412, 3883, 7766, 14029, 15532, 28058, 56116, 154319, 308638, 617276, 4952237, 9904474, 19808948, 54474607, 108949214, 217898428]

約数ペア:

[(1, 217898428), (2, 108949214), (4, 54474607), (11, 19808948), (22, 9904474), (44, 4952237), (353, 617276), (706, 308638), (1412, 154319), (3883, 56116), (7766, 28058), (14029, 15532)]