212129435

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{195511}}^1$

素因数の和:195554

約数の個数: 16

約数和(自身を含む): 300306432

約数和(自身を除く): 88176997

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 195511, 977555, 1368577, 6060841, 6842885, 30304205, 42425887, 212129435]

約数ペア:

[(1, 212129435), (5, 42425887), (7, 30304205), (31, 6842885), (35, 6060841), (155, 1368577), (217, 977555), (1085, 195511)]