4243421

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 5586624

約数和(自身を除く): 1343203

約数列:

[1, 7, 13, 17, 91, 119, 169, 211, 221, 1183, 1477, 1547, 2743, 2873, 3587, 19201, 20111, 25109, 35659, 46631, 249613, 326417, 606203, 4243421]

約数ペア:

[(1, 4243421), (7, 606203), (13, 326417), (17, 249613), (91, 46631), (119, 35659), (169, 25109), (211, 20111), (221, 19201), (1183, 3587), (1477, 2873), (1547, 2743)]