881628876

素因数分解:

$2^2\times 3^2\times {\mathrm{1217}}^1\times {\mathrm{20123}}^1$

素因数の和:21350

約数の個数: 36

約数和(自身を含む): 2230503912

約数和(自身を除く): 1348875036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1217, 2434, 3651, 4868, 7302, 10953, 14604, 20123, 21906, 40246, 43812, 60369, 80492, 120738, 181107, 241476, 362214, 724428, 24489691, 48979382, 73469073, 97958764, 146938146, 220407219, 293876292, 440814438, 881628876]

約数ペア:

[(1, 881628876), (2, 440814438), (3, 293876292), (4, 220407219), (6, 146938146), (9, 97958764), (12, 73469073), (18, 48979382), (36, 24489691), (1217, 724428), (2434, 362214), (3651, 241476), (4868, 181107), (7302, 120738), (10953, 80492), (14604, 60369), (20123, 43812), (21906, 40246)]