209002381

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{1657}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 245967616

約数和(自身を除く): 36965235

約数列:

[1, 7, 37, 259, 487, 1657, 3409, 11599, 18019, 61309, 126133, 429163, 806959, 5648713, 29857483, 209002381]

約数ペア:

[(1, 209002381), (7, 29857483), (37, 5648713), (259, 806959), (487, 429163), (1657, 126133), (3409, 61309), (11599, 18019)]