397106690

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{201577}}^1$

素因数の和:201781

約数の個数: 16

約数和(自身を含む): 718423992

約数和(自身を除く): 321317302

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 201577, 403154, 1007885, 2015770, 39710669, 79421338, 198553345, 397106690]

約数ペア:

[(1, 397106690), (2, 198553345), (5, 79421338), (10, 39710669), (197, 2015770), (394, 1007885), (985, 403154), (1970, 201577)]