3978889313

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{808553}}^1$

素因数の和:808616

約数の個数: 16

約数和(自身を含む): 4916008320

約数和(自身を除く): 937119007

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 808553, 5659871, 15362507, 29916461, 107537549, 209415227, 568412759, 3978889313]

約数ペア:

[(1, 3978889313), (7, 568412759), (19, 209415227), (37, 107537549), (133, 29916461), (259, 15362507), (703, 5659871), (4921, 808553)]