2640883

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 3225600

約数和(自身を除く): 584717

約数列:

[1, 7, 23, 47, 161, 329, 349, 1081, 2443, 7567, 8027, 16403, 56189, 114821, 377269, 2640883]

約数ペア:

[(1, 2640883), (7, 377269), (23, 114821), (47, 56189), (161, 16403), (329, 8027), (349, 7567), (1081, 2443)]