81973416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1193}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 234979200

約数和(自身を除く): 153005784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 409, 818, 1193, 1227, 1636, 2386, 2454, 2863, 3272, 3579, 4772, 4908, 5726, 7158, 8351, 8589, 9544, 9816, 11452, 14316, 16702, 17178, 22904, 25053, 28632, 33404, 34356, 50106, 66808, 68712, 100212, 200424, 487937, 975874, 1463811, 1951748, 2927622, 3415559, 3903496, 5855244, 6831118, 10246677, 11710488, 13662236, 20493354, 27324472, 40986708, 81973416]

約数ペア:

[(1, 81973416), (2, 40986708), (3, 27324472), (4, 20493354), (6, 13662236), (7, 11710488), (8, 10246677), (12, 6831118), (14, 5855244), (21, 3903496), (24, 3415559), (28, 2927622), (42, 1951748), (56, 1463811), (84, 975874), (168, 487937), (409, 200424), (818, 100212), (1193, 68712), (1227, 66808), (1636, 50106), (2386, 34356), (2454, 33404), (2863, 28632), (3272, 25053), (3579, 22904), (4772, 17178), (4908, 16702), (5726, 14316), (7158, 11452), (8351, 9816), (8589, 9544)]