256224423

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{6299}}^1$

素因数の和:6471

約数の個数: 32

約数和(自身を含む): 423360000

約数和(自身を除く): 167135577

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 3129, 5811, 6299, 13559, 18897, 40677, 44093, 81887, 132279, 245661, 573209, 938551, 1719627, 2815653, 6569857, 12201163, 19709571, 36603489, 85408141, 256224423]

約数ペア:

[(1, 256224423), (3, 85408141), (7, 36603489), (13, 19709571), (21, 12201163), (39, 6569857), (91, 2815653), (149, 1719627), (273, 938551), (447, 573209), (1043, 245661), (1937, 132279), (3129, 81887), (5811, 44093), (6299, 40677), (13559, 18897)]