81119704

素因数分解:

$2^3\times {\mathrm{541}}^1\times {\mathrm{18743}}^1$

素因数の和:19290

約数の個数: 16

約数和(自身を含む): 152388720

約数和(自身を除く): 71269016

約数列:

[1, 2, 4, 8, 541, 1082, 2164, 4328, 18743, 37486, 74972, 149944, 10139963, 20279926, 40559852, 81119704]

約数ペア:

[(1, 81119704), (2, 40559852), (4, 20279926), (8, 10139963), (541, 149944), (1082, 74972), (2164, 37486), (4328, 18743)]