880390548

素因数分解:

$2^2\times 3^2\times {\mathrm{1213}}^1\times {\mathrm{20161}}^1$

素因数の和:21384

約数の個数: 36

約数和(自身を含む): 2227376788

約数和(自身を除く): 1346986240

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1213, 2426, 3639, 4852, 7278, 10917, 14556, 20161, 21834, 40322, 43668, 60483, 80644, 120966, 181449, 241932, 362898, 725796, 24455293, 48910586, 73365879, 97821172, 146731758, 220097637, 293463516, 440195274, 880390548]

約数ペア:

[(1, 880390548), (2, 440195274), (3, 293463516), (4, 220097637), (6, 146731758), (9, 97821172), (12, 73365879), (18, 48910586), (36, 24455293), (1213, 725796), (2426, 362898), (3639, 241932), (4852, 181449), (7278, 120966), (10917, 80644), (14556, 60483), (20161, 43668), (21834, 40322)]