81394838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{252779}}^1$

素因数の和:252811

約数の個数: 16

約数和(自身を含む): 145601280

約数和(自身を除く): 64206442

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 252779, 505558, 1769453, 3538906, 5813917, 11627834, 40697419, 81394838]

約数ペア:

[(1, 81394838), (2, 40697419), (7, 11627834), (14, 5813917), (23, 3538906), (46, 1769453), (161, 505558), (322, 252779)]