81674866

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{64109}}^1$

素因数の和:64138

約数の個数: 24

約数和(自身を含む): 153479340

約数和(自身を除く): 71804474

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 64109, 128218, 448763, 833417, 897526, 1666834, 3141341, 5833919, 6282682, 11667838, 40837433, 81674866]

約数ペア:

[(1, 81674866), (2, 40837433), (7, 11667838), (13, 6282682), (14, 5833919), (26, 3141341), (49, 1666834), (91, 897526), (98, 833417), (182, 448763), (637, 128218), (1274, 64109)]