438217108

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{198109}}^1$

素因数の和:198199

約数の個数: 24

約数和(自身を含む): 887532800

約数和(自身を除く): 449315692

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 198109, 396218, 792436, 1386763, 2773526, 5547052, 15650611, 31301222, 62602444, 109554277, 219108554, 438217108]

約数ペア:

[(1, 438217108), (2, 219108554), (4, 109554277), (7, 62602444), (14, 31301222), (28, 15650611), (79, 5547052), (158, 2773526), (316, 1386763), (553, 792436), (1106, 396218), (2212, 198109)]