138420438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1774621}}^1$

素因数の和:1774639

約数の個数: 16

約数和(自身を含む): 298136496

約数和(自身を除く): 159716058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1774621, 3549242, 5323863, 10647726, 23070073, 46140146, 69210219, 138420438]

約数ペア:

[(1, 138420438), (2, 69210219), (3, 46140146), (6, 23070073), (13, 10647726), (26, 5323863), (39, 3549242), (78, 1774621)]