220953836

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{699221}}^1$

素因数の和:699304

約数の個数: 12

約数和(自身を含む): 391564320

約数和(自身を除く): 170610484

約数列:

[1, 2, 4, 79, 158, 316, 699221, 1398442, 2796884, 55238459, 110476918, 220953836]

約数ペア:

[(1, 220953836), (2, 110476918), (4, 55238459), (79, 2796884), (158, 1398442), (316, 699221)]