15691618195

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 21427338240

約数和(自身を除く): 5735720045

約数列:

[1, 5, 11, 41, 55, 121, 131, 205, 439, 451, 605, 655, 1331, 1441, 2195, 2255, 4829, 4961, 5371, 6655, 7205, 15851, 17999, 24145, 24805, 26855, 53119, 54571, 57509, 59081, 79255, 89995, 174361, 197989, 265595, 272855, 287545, 295405, 584309, 632599, 649891, 871805, 989945, 2177879, 2357869, 2921545, 3162995, 3249455, 6958589, 7148801, 10889395, 11789345, 23956669, 25936559, 34792945, 35744005, 76544479, 119783345, 129682795, 285302149, 382722395, 1426510745, 3138323639, 15691618195]

約数ペア:

[(1, 15691618195), (5, 3138323639), (11, 1426510745), (41, 382722395), (55, 285302149), (121, 129682795), (131, 119783345), (205, 76544479), (439, 35744005), (451, 34792945), (605, 25936559), (655, 23956669), (1331, 11789345), (1441, 10889395), (2195, 7148801), (2255, 6958589), (4829, 3249455), (4961, 3162995), (5371, 2921545), (6655, 2357869), (7205, 2177879), (15851, 989945), (17999, 871805), (24145, 649891), (24805, 632599), (26855, 584309), (53119, 295405), (54571, 287545), (57509, 272855), (59081, 265595), (79255, 197989), (89995, 174361)]