81683026

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{1637}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 124913880

約数和(自身を除く): 43230854

約数列:

[1, 2, 61, 122, 409, 818, 1637, 3274, 24949, 49898, 99857, 199714, 669533, 1339066, 40841513, 81683026]

約数ペア:

[(1, 81683026), (2, 40841513), (61, 1339066), (122, 669533), (409, 199714), (818, 99857), (1637, 49898), (3274, 24949)]