15810416

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{7109}}^1$

素因数の和:7256

約数の個数: 20

約数和(自身を含む): 30857400

約数和(自身を除く): 15046984

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 7109, 14218, 28436, 56872, 113744, 988151, 1976302, 3952604, 7905208, 15810416]

約数ペア:

[(1, 15810416), (2, 7905208), (4, 3952604), (8, 1976302), (16, 988151), (139, 113744), (278, 56872), (556, 28436), (1112, 14218), (2224, 7109)]