168971978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1447}}^1$

素因数の和:1914

約数の個数: 32

約数和(自身を含む): 305817600

約数和(自身を除く): 136845622

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 439, 878, 1447, 2894, 3073, 6146, 8341, 10129, 16682, 20258, 27493, 54986, 58387, 116774, 192451, 384902, 635233, 1270466, 4446631, 8893262, 12069427, 24138854, 84485989, 168971978]

約数ペア:

[(1, 168971978), (2, 84485989), (7, 24138854), (14, 12069427), (19, 8893262), (38, 4446631), (133, 1270466), (266, 635233), (439, 384902), (878, 192451), (1447, 116774), (2894, 58387), (3073, 54986), (6146, 27493), (8341, 20258), (10129, 16682)]