198139571

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{22699}}^1$

素因数の和:22778

約数の個数: 16

約数和(自身を含む): 239712000

約数和(自身を除く): 41572429

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 22699, 158893, 658271, 976057, 4607897, 6832399, 28305653, 198139571]

約数ペア:

[(1, 198139571), (7, 28305653), (29, 6832399), (43, 4607897), (203, 976057), (301, 658271), (1247, 158893), (8729, 22699)]