211620404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2784479}}^1$

素因数の和:2784502

約数の個数: 12

約数和(自身を含む): 389827200

約数和(自身を除く): 178206796

約数列:

[1, 2, 4, 19, 38, 76, 2784479, 5568958, 11137916, 52905101, 105810202, 211620404]

約数ペア:

[(1, 211620404), (2, 105810202), (4, 52905101), (19, 11137916), (38, 5568958), (76, 2784479)]