81408052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{2287}}^1$

素因数の和:3111

約数の個数: 24

約数和(自身を含む): 155675520

約数和(自身を除く): 74267468

約数列:

[1, 2, 4, 11, 22, 44, 809, 1618, 2287, 3236, 4574, 8899, 9148, 17798, 25157, 35596, 50314, 100628, 1850183, 3700366, 7400732, 20352013, 40704026, 81408052]

約数ペア:

[(1, 81408052), (2, 40704026), (4, 20352013), (11, 7400732), (22, 3700366), (44, 1850183), (809, 100628), (1618, 50314), (2287, 35596), (3236, 25157), (4574, 17798), (8899, 9148)]