78438386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{42491}}^1$

素因数の和:42577

約数の個数: 16

約数和(自身を含む): 128495808

約数和(自身を除く): 50057422

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 42491, 84982, 552383, 1104766, 3016861, 6033722, 39219193, 78438386]

約数ペア:

[(1, 78438386), (2, 39219193), (13, 6033722), (26, 3016861), (71, 1104766), (142, 552383), (923, 84982), (1846, 42491)]