2178984

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 5490720

約数和(自身を除く): 3311736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 557, 652, 978, 1114, 1304, 1671, 1956, 2228, 3342, 3912, 4456, 6684, 13368, 90791, 181582, 272373, 363164, 544746, 726328, 1089492, 2178984]

約数ペア:

[(1, 2178984), (2, 1089492), (3, 726328), (4, 544746), (6, 363164), (8, 272373), (12, 181582), (24, 90791), (163, 13368), (326, 6684), (489, 4456), (557, 3912), (652, 3342), (978, 2228), (1114, 1956), (1304, 1671)]