199901260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{768851}}^1$

素因数の和:768873

約数の個数: 24

約数和(自身を含む): 452084976

約数和(自身を除く): 252183716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 768851, 1537702, 3075404, 3844255, 7688510, 9995063, 15377020, 19990126, 39980252, 49975315, 99950630, 199901260]

約数ペア:

[(1, 199901260), (2, 99950630), (4, 49975315), (5, 39980252), (10, 19990126), (13, 15377020), (20, 9995063), (26, 7688510), (52, 3844255), (65, 3075404), (130, 1537702), (260, 768851)]