78865238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{29231}}^1$

素因数の和:29323

約数の個数: 16

約数和(自身を含む): 126282240

約数和(自身を除く): 47417002

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 29231, 58462, 555389, 1110778, 2075401, 4150802, 39432619, 78865238]

約数ペア:

[(1, 78865238), (2, 39432619), (19, 4150802), (38, 2075401), (71, 1110778), (142, 555389), (1349, 58462), (2698, 29231)]