138429452

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{19237}}^1$

素因数の和:19505

約数の個数: 24

約数和(自身を含む): 277950624

約数和(自身を除く): 139521172

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 19237, 38474, 76948, 134659, 269318, 538636, 4943909, 9887818, 19775636, 34607363, 69214726, 138429452]

約数ペア:

[(1, 138429452), (2, 69214726), (4, 34607363), (7, 19775636), (14, 9887818), (28, 4943909), (257, 538636), (514, 269318), (1028, 134659), (1799, 76948), (3598, 38474), (7196, 19237)]