640853842

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1\times {\mathrm{3323}}^1$

素因数の和:3993

約数の個数: 16

約数和(自身を含む): 968241312

約数和(自身を除く): 327387470

約数列:

[1, 2, 211, 422, 457, 914, 3323, 6646, 96427, 192854, 701153, 1402306, 1518611, 3037222, 320426921, 640853842]

約数ペア:

[(1, 640853842), (2, 320426921), (211, 3037222), (422, 1518611), (457, 1402306), (914, 701153), (3323, 192854), (6646, 96427)]