81709876

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1949}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 146764800

約数和(自身を除く): 65054924

約数列:

[1, 2, 4, 47, 94, 188, 223, 446, 892, 1949, 3898, 7796, 10481, 20962, 41924, 91603, 183206, 366412, 434627, 869254, 1738508, 20427469, 40854938, 81709876]

約数ペア:

[(1, 81709876), (2, 40854938), (4, 20427469), (47, 1738508), (94, 869254), (188, 434627), (223, 366412), (446, 183206), (892, 91603), (1949, 41924), (3898, 20962), (7796, 10481)]