81984694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 138101760

約数和(自身を除く): 56117066

約数列:

[1, 2, 11, 22, 71, 73, 142, 146, 719, 781, 803, 1438, 1562, 1606, 5183, 7909, 10366, 15818, 51049, 52487, 57013, 102098, 104974, 114026, 561539, 577357, 1123078, 1154714, 3726577, 7453154, 40992347, 81984694]

約数ペア:

[(1, 81984694), (2, 40992347), (11, 7453154), (22, 3726577), (71, 1154714), (73, 1123078), (142, 577357), (146, 561539), (719, 114026), (781, 104974), (803, 102098), (1438, 57013), (1562, 52487), (1606, 51049), (5183, 15818), (7909, 10366)]