15987895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 24178176

約数和(自身を除く): 8190281

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 317, 385, 655, 917, 1441, 1585, 2219, 3487, 4585, 7205, 10087, 11095, 17435, 24409, 41527, 50435, 122045, 207635, 290689, 456797, 1453445, 2283985, 3197579, 15987895]

約数ペア:

[(1, 15987895), (5, 3197579), (7, 2283985), (11, 1453445), (35, 456797), (55, 290689), (77, 207635), (131, 122045), (317, 50435), (385, 41527), (655, 24409), (917, 17435), (1441, 11095), (1585, 10087), (2219, 7205), (3487, 4585)]