218213428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{6961}}^1$

素因数の和:7443

約数の個数: 24

約数和(自身を含む): 405271944

約数和(自身を除く): 187058516

約数列:

[1, 2, 4, 17, 34, 68, 461, 922, 1844, 6961, 7837, 13922, 15674, 27844, 31348, 118337, 236674, 473348, 3209021, 6418042, 12836084, 54553357, 109106714, 218213428]

約数ペア:

[(1, 218213428), (2, 109106714), (4, 54553357), (17, 12836084), (34, 6418042), (68, 3209021), (461, 473348), (922, 236674), (1844, 118337), (6961, 31348), (7837, 27844), (13922, 15674)]