15205940939

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{25111}}^1$

素因数の和:25323

約数の個数: 32

約数和(自身を含む): 19044940800

約数和(自身を除く): 3838999861

約数列:

[1, 7, 19, 29, 133, 157, 203, 551, 1099, 2983, 3857, 4553, 20881, 25111, 31871, 86507, 175777, 477109, 605549, 728219, 3339763, 3942427, 5097533, 13836161, 27596989, 74906113, 96853127, 114330383, 524342791, 800312681, 2172277277, 15205940939]

約数ペア:

[(1, 15205940939), (7, 2172277277), (19, 800312681), (29, 524342791), (133, 114330383), (157, 96853127), (203, 74906113), (551, 27596989), (1099, 13836161), (2983, 5097533), (3857, 3942427), (4553, 3339763), (20881, 728219), (25111, 605549), (31871, 477109), (86507, 175777)]