81805766

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{26203}}^1$

素因数の和:26435

約数の個数: 16

約数和(自身を含む): 140872704

約数和(自身を除く): 59066938

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 26203, 52406, 183421, 366842, 5843269, 11686538, 40902883, 81805766]

約数ペア:

[(1, 81805766), (2, 40902883), (7, 11686538), (14, 5843269), (223, 366842), (446, 183421), (1561, 52406), (3122, 26203)]