219049400974

素因数分解:

$2^1\times {\mathrm{1321}}^1\times {\mathrm{3907}}^1\times {\mathrm{21221}}^1$

素因数の和:26451

約数の個数: 16

約数和(自身を含む): 328922494416

約数和(自身を除く): 109873093442

約数列:

[1, 2, 1321, 2642, 3907, 7814, 21221, 42442, 5161147, 10322294, 28032941, 56065882, 82910447, 165820894, 109524700487, 219049400974]

約数ペア:

[(1, 219049400974), (2, 109524700487), (1321, 165820894), (2642, 82910447), (3907, 56065882), (7814, 28032941), (21221, 10322294), (42442, 5161147)]