421756145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{547}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 551121408

約数和(自身を除く): 129365263

約数列:

[1, 5, 17, 47, 85, 193, 235, 547, 799, 965, 2735, 3281, 3995, 9071, 9299, 16405, 25709, 45355, 46495, 105571, 128545, 154207, 437053, 527855, 771035, 1794707, 2185265, 4961837, 8973535, 24809185, 84351229, 421756145]

約数ペア:

[(1, 421756145), (5, 84351229), (17, 24809185), (47, 8973535), (85, 4961837), (193, 2185265), (235, 1794707), (547, 771035), (799, 527855), (965, 437053), (2735, 154207), (3281, 128545), (3995, 105571), (9071, 46495), (9299, 45355), (16405, 25709)]