25286891

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 31340880

約数和(自身を除く): 6053989

約数列:

[1, 7, 19, 49, 133, 157, 173, 931, 1099, 1211, 2983, 3287, 7693, 8477, 20881, 23009, 27161, 146167, 161063, 190127, 516059, 1330889, 3612413, 25286891]

約数ペア:

[(1, 25286891), (7, 3612413), (19, 1330889), (49, 516059), (133, 190127), (157, 161063), (173, 146167), (931, 27161), (1099, 23009), (1211, 20881), (2983, 8477), (3287, 7693)]