81990796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{3877}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 152451936

約数和(自身を除く): 70461140

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 1244, 3877, 5287, 7754, 10574, 15508, 21148, 65909, 131818, 263636, 1205747, 2411494, 4822988, 20497699, 40995398, 81990796]

約数ペア:

[(1, 81990796), (2, 40995398), (4, 20497699), (17, 4822988), (34, 2411494), (68, 1205747), (311, 263636), (622, 131818), (1244, 65909), (3877, 21148), (5287, 15508), (7754, 10574)]