1639021426

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{266681}}^1$

素因数の和:267129

約数の個数: 16

約数和(自身を含む): 2816161920

約数和(自身を除く): 1177140494

約数列:

[1, 2, 7, 14, 439, 878, 3073, 6146, 266681, 533362, 1866767, 3733534, 117072959, 234145918, 819510713, 1639021426]

約数ペア:

[(1, 1639021426), (2, 819510713), (7, 234145918), (14, 117072959), (439, 3733534), (878, 1866767), (3073, 533362), (6146, 266681)]