81215204

素因数分解:

$2^2\times 7^1\times {\mathrm{863}}^1\times {\mathrm{3361}}^1$

素因数の和:4235

約数の個数: 24

約数和(自身を含む): 162667008

約数和(自身を除く): 81451804

約数列:

[1, 2, 4, 7, 14, 28, 863, 1726, 3361, 3452, 6041, 6722, 12082, 13444, 23527, 24164, 47054, 94108, 2900543, 5801086, 11602172, 20303801, 40607602, 81215204]

約数ペア:

[(1, 81215204), (2, 40607602), (4, 20303801), (7, 11602172), (14, 5801086), (28, 2900543), (863, 94108), (1726, 47054), (3361, 24164), (3452, 23527), (6041, 13444), (6722, 12082)]