81391386

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{52783}}^1$

素因数の和:53045

約数の個数: 16

約数和(自身を含む): 163419264

約数和(自身を除く): 82027878

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 52783, 105566, 158349, 316698, 13565231, 27130462, 40695693, 81391386]

約数ペア:

[(1, 81391386), (2, 40695693), (3, 27130462), (6, 13565231), (257, 316698), (514, 158349), (771, 105566), (1542, 52783)]