128778335

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 185213952

約数和(自身を除く): 56435617

約数列:

[1, 5, 7, 35, 41, 43, 205, 215, 287, 301, 1435, 1505, 1763, 2087, 8815, 10435, 12341, 14609, 61705, 73045, 85567, 89741, 427835, 448705, 598969, 628187, 2994845, 3140935, 3679381, 18396905, 25755667, 128778335]

約数ペア:

[(1, 128778335), (5, 25755667), (7, 18396905), (35, 3679381), (41, 3140935), (43, 2994845), (205, 628187), (215, 598969), (287, 448705), (301, 427835), (1435, 89741), (1505, 85567), (1763, 73045), (2087, 61705), (8815, 14609), (10435, 12341)]