81049870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{736817}}^1$

素因数の和:736835

約数の個数: 16

約数和(自身を含む): 159152688

約数和(自身を除く): 78102818

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 736817, 1473634, 3684085, 7368170, 8104987, 16209974, 40524935, 81049870]

約数ペア:

[(1, 81049870), (2, 40524935), (5, 16209974), (10, 8104987), (11, 7368170), (22, 3684085), (55, 1473634), (110, 736817)]