213369784

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{620261}}^1$

素因数の和:620310

約数の個数: 16

約数和(自身を含む): 409372920

約数和(自身を除く): 196003136

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 620261, 1240522, 2481044, 4962088, 26671223, 53342446, 106684892, 213369784]

約数ペア:

[(1, 213369784), (2, 106684892), (4, 53342446), (8, 26671223), (43, 4962088), (86, 2481044), (172, 1240522), (344, 620261)]