78556994

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{2729}}^1$

素因数の和:3157

約数の個数: 16

約数和(自身を含む): 121375800

約数和(自身を除く): 42818806

約数列:

[1, 2, 37, 74, 389, 778, 2729, 5458, 14393, 28786, 100973, 201946, 1061581, 2123162, 39278497, 78556994]

約数ペア:

[(1, 78556994), (2, 39278497), (37, 2123162), (74, 1061581), (389, 201946), (778, 100973), (2729, 28786), (5458, 14393)]