328876681

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5791}}^1$

素因数の和:5885

約数の個数: 24

約数和(自身を含む): 409378560

約数和(自身を除く): 80501879

約数列:

[1, 7, 19, 49, 61, 133, 427, 931, 1159, 2989, 5791, 8113, 40537, 56791, 110029, 283759, 353251, 770203, 2472757, 5391421, 6711769, 17309299, 46982383, 328876681]

約数ペア:

[(1, 328876681), (7, 46982383), (19, 17309299), (49, 6711769), (61, 5391421), (133, 2472757), (427, 770203), (931, 353251), (1159, 283759), (2989, 110029), (5791, 56791), (8113, 40537)]