138859189

素因数分解:

$7^2\times {\mathrm{641}}^1\times {\mathrm{4421}}^1$

素因数の和:5076

約数の個数: 12

約数和(自身を含む): 161818668

約数和(自身を除く): 22959479

約数列:

[1, 7, 49, 641, 4421, 4487, 30947, 31409, 216629, 2833861, 19837027, 138859189]

約数ペア:

[(1, 138859189), (7, 19837027), (49, 2833861), (641, 216629), (4421, 31409), (4487, 30947)]