15691720855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1\times {\mathrm{2141}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 19987430400

約数和(自身を除く): 4295709545

約数列:

[1, 5, 19, 95, 179, 431, 895, 2141, 2155, 3401, 8189, 10705, 17005, 40679, 40945, 77149, 203395, 383239, 385745, 922771, 1465831, 1916195, 4613855, 7281541, 7329155, 17532649, 36407705, 87663245, 165176009, 825880045, 3138344171, 15691720855]

約数ペア:

[(1, 15691720855), (5, 3138344171), (19, 825880045), (95, 165176009), (179, 87663245), (431, 36407705), (895, 17532649), (2141, 7329155), (2155, 7281541), (3401, 4613855), (8189, 1916195), (10705, 1465831), (17005, 922771), (40679, 385745), (40945, 383239), (77149, 203395)]