81489214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{49871}}^1$

素因数の和:49935

約数の個数: 16

約数和(自身を含む): 131662080

約数和(自身を除く): 50172866

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 49871, 99742, 947549, 1895098, 2144453, 4288906, 40744607, 81489214]

約数ペア:

[(1, 81489214), (2, 40744607), (19, 4288906), (38, 2144453), (43, 1895098), (86, 947549), (817, 99742), (1634, 49871)]