218893388

素因数分解:

$2^2\times 7^2\times {\mathrm{443}}^1\times {\mathrm{2521}}^1$

素因数の和:2982

約数の個数: 36

約数和(自身を含む): 446787432

約数和(自身を除く): 227894044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443, 886, 1772, 2521, 3101, 5042, 6202, 10084, 12404, 17647, 21707, 35294, 43414, 70588, 86828, 123529, 247058, 494116, 1116803, 2233606, 4467212, 7817621, 15635242, 31270484, 54723347, 109446694, 218893388]

約数ペア:

[(1, 218893388), (2, 109446694), (4, 54723347), (7, 31270484), (14, 15635242), (28, 7817621), (49, 4467212), (98, 2233606), (196, 1116803), (443, 494116), (886, 247058), (1772, 123529), (2521, 86828), (3101, 70588), (5042, 43414), (6202, 35294), (10084, 21707), (12404, 17647)]