199894344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{640687}}^1$

素因数の和:640709

約数の個数: 32

約数和(自身を含む): 538177920

約数和(自身を除く): 338283576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 640687, 1281374, 1922061, 2562748, 3844122, 5125496, 7688244, 8328931, 15376488, 16657862, 24986793, 33315724, 49973586, 66631448, 99947172, 199894344]

約数ペア:

[(1, 199894344), (2, 99947172), (3, 66631448), (4, 49973586), (6, 33315724), (8, 24986793), (12, 16657862), (13, 15376488), (24, 8328931), (26, 7688244), (39, 5125496), (52, 3844122), (78, 2562748), (104, 1922061), (156, 1281374), (312, 640687)]