208420918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{322633}}^1$

素因数の和:322671

約数の個数: 16

約数和(自身を含む): 348444720

約数和(自身を除く): 140023802

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 322633, 645266, 5484761, 6130027, 10969522, 12260054, 104210459, 208420918]

約数ペア:

[(1, 208420918), (2, 104210459), (17, 12260054), (19, 10969522), (34, 6130027), (38, 5484761), (323, 645266), (646, 322633)]