128222718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1643881}}^1$

素因数の和:1643899

約数の個数: 16

約数和(自身を含む): 276172176

約数和(自身を除く): 147949458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1643881, 3287762, 4931643, 9863286, 21370453, 42740906, 64111359, 128222718]

約数ペア:

[(1, 128222718), (2, 64111359), (3, 42740906), (6, 21370453), (13, 9863286), (26, 4931643), (39, 3287762), (78, 1643881)]