81718338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1047671}}^1$

素因数の和:1047689

約数の個数: 16

約数和(自身を含む): 176008896

約数和(自身を除く): 94290558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1047671, 2095342, 3143013, 6286026, 13619723, 27239446, 40859169, 81718338]

約数ペア:

[(1, 81718338), (2, 40859169), (3, 27239446), (6, 13619723), (13, 6286026), (26, 3143013), (39, 2095342), (78, 1047671)]