81979586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73327}}^1$

素因数の和:73385

約数の個数: 16

約数和(自身を含む): 135510144

約数和(自身を除く): 53530558

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 73327, 146654, 953251, 1906502, 3153061, 6306122, 40989793, 81979586]

約数ペア:

[(1, 81979586), (2, 40989793), (13, 6306122), (26, 3153061), (43, 1906502), (86, 953251), (559, 146654), (1118, 73327)]