81472244

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61909}}^1$

素因数の和:61967

約数の個数: 24

約数和(自身を含む): 166414080

約数和(自身を除く): 84941836

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 61909, 123818, 247636, 433363, 866726, 1733452, 2909723, 5819446, 11638892, 20368061, 40736122, 81472244]

約数ペア:

[(1, 81472244), (2, 40736122), (4, 20368061), (7, 11638892), (14, 5819446), (28, 2909723), (47, 1733452), (94, 866726), (188, 433363), (329, 247636), (658, 123818), (1316, 61909)]