25368442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 17399558

約数列:

[1, 2, 11, 22, 71, 109, 142, 149, 218, 298, 781, 1199, 1562, 1639, 2398, 3278, 7739, 10579, 15478, 16241, 21158, 32482, 85129, 116369, 170258, 178651, 232738, 357302, 1153111, 2306222, 12684221, 25368442]

約数ペア:

[(1, 25368442), (2, 12684221), (11, 2306222), (22, 1153111), (71, 357302), (109, 232738), (142, 178651), (149, 170258), (218, 116369), (298, 85129), (781, 32482), (1199, 21158), (1562, 16241), (1639, 15478), (2398, 10579), (3278, 7739)]