81696605879

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{225949}}^1$

素因数の和:226167

約数の個数: 24

約数和(自身を含む): 97675473600

約数和(自身を除く): 15978867721

約数列:

[1, 7, 47, 49, 157, 329, 1099, 2303, 7379, 7693, 51653, 225949, 361571, 1581643, 10619603, 11071501, 35473993, 74337221, 248317951, 520360547, 1667277671, 1738225657, 11670943697, 81696605879]

約数ペア:

[(1, 81696605879), (7, 11670943697), (47, 1738225657), (49, 1667277671), (157, 520360547), (329, 248317951), (1099, 74337221), (2303, 35473993), (7379, 11071501), (7693, 10619603), (51653, 1581643), (225949, 361571)]