81130490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1159007}}^1$

素因数の和:1159021

約数の個数: 16

約数和(自身を含む): 166897152

約数和(自身を除く): 85766662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1159007, 2318014, 5795035, 8113049, 11590070, 16226098, 40565245, 81130490]

約数ペア:

[(1, 81130490), (2, 40565245), (5, 16226098), (7, 11590070), (10, 8113049), (14, 5795035), (35, 2318014), (70, 1159007)]