2640506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6317}}^1$

素因数の和:6349

約数の個数: 16

約数和(自身を含む): 4548960

約数和(自身を除く): 1908454

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 6317, 12634, 69487, 120023, 138974, 240046, 1320253, 2640506]

約数ペア:

[(1, 2640506), (2, 1320253), (11, 240046), (19, 138974), (22, 120023), (38, 69487), (209, 12634), (418, 6317)]