200911775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 258209664

約数和(自身を除く): 57297889

約数列:

[1, 5, 25, 31, 155, 397, 653, 775, 1985, 3265, 9925, 12307, 16325, 20243, 61535, 101215, 259241, 307675, 506075, 1296205, 6481025, 8036471, 40182355, 200911775]

約数ペア:

[(1, 200911775), (5, 40182355), (25, 8036471), (31, 6481025), (155, 1296205), (397, 506075), (653, 307675), (775, 259241), (1985, 101215), (3265, 61535), (9925, 20243), (12307, 16325)]