201721922

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 316483200

約数和(自身を除く): 114761278

約数列:

[1, 2, 53, 73, 106, 131, 146, 199, 262, 398, 3869, 6943, 7738, 9563, 10547, 13886, 14527, 19126, 21094, 26069, 29054, 52138, 506839, 769931, 1013678, 1381657, 1539862, 1903037, 2763314, 3806074, 100860961, 201721922]

約数ペア:

[(1, 201721922), (2, 100860961), (53, 3806074), (73, 2763314), (106, 1903037), (131, 1539862), (146, 1381657), (199, 1013678), (262, 769931), (398, 506839), (3869, 52138), (6943, 29054), (7738, 26069), (9563, 21094), (10547, 19126), (13886, 14527)]