2780453018

素因数分解:

$2^1\times 7^1\times {\mathrm{15373}}^1\times {\mathrm{12919}}^1$

素因数の和:28301

約数の個数: 16

約数和(自身を含む): 4767169920

約数和(自身を除く): 1986716902

約数列:

[1, 2, 7, 14, 12919, 15373, 25838, 30746, 90433, 107611, 180866, 215222, 198603787, 397207574, 1390226509, 2780453018]

約数ペア:

[(1, 2780453018), (2, 1390226509), (7, 397207574), (14, 198603787), (12919, 215222), (15373, 180866), (25838, 107611), (30746, 90433)]