201619978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8819}}^1$

素因数の和:8922

約数の個数: 32

約数和(自身を含む): 365783040

約数和(自身を除く): 164163062

約数列:

[1, 2, 7, 14, 23, 46, 71, 142, 161, 322, 497, 994, 1633, 3266, 8819, 11431, 17638, 22862, 61733, 123466, 202837, 405674, 626149, 1252298, 1419859, 2839718, 4383043, 8766086, 14401427, 28802854, 100809989, 201619978]

約数ペア:

[(1, 201619978), (2, 100809989), (7, 28802854), (14, 14401427), (23, 8766086), (46, 4383043), (71, 2839718), (142, 1419859), (161, 1252298), (322, 626149), (497, 405674), (994, 202837), (1633, 123466), (3266, 61733), (8819, 22862), (11431, 17638)]