81441934

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{20129}}^1$

素因数の和:20172

約数の個数: 24

約数和(自身を含む): 148317840

約数和(自身を除く): 66875906

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 20129, 40258, 140903, 281806, 342193, 684386, 2395351, 4790702, 5817281, 11634562, 40720967, 81441934]

約数ペア:

[(1, 81441934), (2, 40720967), (7, 11634562), (14, 5817281), (17, 4790702), (34, 2395351), (119, 684386), (238, 342193), (289, 281806), (578, 140903), (2023, 40258), (4046, 20129)]