81530018

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{2617}}^1$

素因数の和:3077

約数の個数: 16

約数和(自身を含む): 125946744

約数和(自身を除く): 44416726

約数列:

[1, 2, 37, 74, 421, 842, 2617, 5234, 15577, 31154, 96829, 193658, 1101757, 2203514, 40765009, 81530018]

約数ペア:

[(1, 81530018), (2, 40765009), (37, 2203514), (74, 1101757), (421, 193658), (842, 96829), (2617, 31154), (5234, 15577)]