81278065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{8849}}^1$

素因数の和:9032

約数の個数: 16

約数和(自身を含む): 107049600

約数和(自身を除く): 25771535

約数列:

[1, 5, 11, 55, 167, 835, 1837, 8849, 9185, 44245, 97339, 486695, 1477783, 7388915, 16255613, 81278065]

約数ペア:

[(1, 81278065), (5, 16255613), (11, 7388915), (55, 1477783), (167, 486695), (835, 97339), (1837, 44245), (8849, 9185)]