81207070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24683}}^1$

素因数の和:24744

約数の個数: 32

約数和(自身を含む): 170615808

約数和(自身を除く): 89408738

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 24683, 49366, 123415, 172781, 246830, 345562, 863905, 1160101, 1727810, 2320202, 5800505, 8120707, 11601010, 16241414, 40603535, 81207070]

約数ペア:

[(1, 81207070), (2, 40603535), (5, 16241414), (7, 11601010), (10, 8120707), (14, 5800505), (35, 2320202), (47, 1727810), (70, 1160101), (94, 863905), (235, 345562), (329, 246830), (470, 172781), (658, 123415), (1645, 49366), (3290, 24683)]