25897025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1223}}^1$

素因数の和:1262

約数の個数: 36

約数和(自身を含む): 40372416

約数和(自身を除く): 14475391

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1223, 1925, 3025, 4235, 6115, 8561, 13453, 21175, 30575, 42805, 67265, 94171, 147983, 214025, 336325, 470855, 739915, 1035881, 2354275, 3699575, 5179405, 25897025]

約数ペア:

[(1, 25897025), (5, 5179405), (7, 3699575), (11, 2354275), (25, 1035881), (35, 739915), (55, 470855), (77, 336325), (121, 214025), (175, 147983), (275, 94171), (385, 67265), (605, 42805), (847, 30575), (1223, 21175), (1925, 13453), (3025, 8561), (4235, 6115)]