201689105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1\times {\mathrm{1999}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 256608000

約数和(自身を除く): 54918895

約数列:

[1, 5, 17, 85, 1187, 1999, 5935, 9995, 20179, 33983, 100895, 169915, 2372813, 11864065, 40337821, 201689105]

約数ペア:

[(1, 201689105), (5, 40337821), (17, 11864065), (85, 2372813), (1187, 169915), (1999, 100895), (5935, 33983), (9995, 20179)]