138475421

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{166237}}^1$

素因数の和:166268

約数の個数: 12

約数和(自身を含む): 170560188

約数和(自身を除く): 32084767

約数列:

[1, 7, 17, 49, 119, 833, 166237, 1163659, 2826029, 8145613, 19782203, 138475421]

約数ペア:

[(1, 138475421), (7, 19782203), (17, 8145613), (49, 2826029), (119, 1163659), (833, 166237)]