25821812

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{349}}^2$

素因数の和:755

約数の個数: 18

約数和(自身を含む): 46173078

約数和(自身を除く): 20351266

約数列:

[1, 2, 4, 53, 106, 212, 349, 698, 1396, 18497, 36994, 73988, 121801, 243602, 487204, 6455453, 12910906, 25821812]

約数ペア:

[(1, 25821812), (2, 12910906), (4, 6455453), (53, 487204), (106, 243602), (212, 121801), (349, 73988), (698, 36994), (1396, 18497)]