81335815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{1523}}^1$

素因数の和:2510

約数の個数: 16

約数和(自身を含む): 106655616

約数和(自身を除く): 25319801

約数列:

[1, 5, 11, 55, 971, 1523, 4855, 7615, 10681, 16753, 53405, 83765, 1478833, 7394165, 16267163, 81335815]

約数ペア:

[(1, 81335815), (5, 16267163), (11, 7394165), (55, 1478833), (971, 83765), (1523, 53405), (4855, 16753), (7615, 10681)]