640051566339

素因数分解:

$3^1\times {\mathrm{821}}^1\times {\mathrm{7121}}^1\times {\mathrm{36493}}^1$

素因数の和:44438

約数の個数: 16

約数和(自身を含む): 854584961184

約数和(自身を除く): 214533394845

約数列:

[1, 3, 821, 2463, 7121, 21363, 36493, 109479, 5846341, 17539023, 29960753, 89882259, 259866653, 779599959, 213350522113, 640051566339]

約数ペア:

[(1, 640051566339), (3, 213350522113), (821, 779599959), (2463, 259866653), (7121, 89882259), (21363, 29960753), (36493, 17539023), (109479, 5846341)]