31135775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 45532800

約数和(自身を除く): 14397025

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 101, 209, 275, 295, 475, 505, 649, 1045, 1111, 1121, 1475, 1919, 2525, 3245, 5225, 5555, 5605, 5959, 9595, 12331, 16225, 21109, 27775, 28025, 29795, 47975, 61655, 65549, 105545, 113221, 148975, 308275, 327745, 527725, 566105, 1245431, 1638725, 2830525, 6227155, 31135775]

約数ペア:

[(1, 31135775), (5, 6227155), (11, 2830525), (19, 1638725), (25, 1245431), (55, 566105), (59, 527725), (95, 327745), (101, 308275), (209, 148975), (275, 113221), (295, 105545), (475, 65549), (505, 61655), (649, 47975), (1045, 29795), (1111, 28025), (1121, 27775), (1475, 21109), (1919, 16225), (2525, 12331), (3245, 9595), (5225, 5959), (5555, 5605)]