2821877891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{66931}}^1$

素因数の和:67274

約数の個数: 16

約数和(自身を含む): 3405500160

約数和(自身を除く): 583622269

約数列:

[1, 7, 19, 133, 317, 2219, 6023, 42161, 66931, 468517, 1271689, 8901823, 21217127, 148519889, 403125413, 2821877891]

約数ペア:

[(1, 2821877891), (7, 403125413), (19, 148519889), (133, 21217127), (317, 8901823), (2219, 1271689), (6023, 468517), (42161, 66931)]