81038356

素因数分解:

$2^2\times 7^2\times {\mathrm{413461}}^1$

素因数の和:413479

約数の個数: 18

約数和(自身を含む): 164971338

約数和(自身を除く): 83932982

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 413461, 826922, 1653844, 2894227, 5788454, 11576908, 20259589, 40519178, 81038356]

約数ペア:

[(1, 81038356), (2, 40519178), (4, 20259589), (7, 11576908), (14, 5788454), (28, 2894227), (49, 1653844), (98, 826922), (196, 413461)]