81569684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{5507}}^1$

素因数の和:5564

約数の個数: 36

約数和(自身を含む): 170571744

約数和(自身を除く): 89002060

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 2116, 3703, 5507, 7406, 11014, 14812, 22028, 38549, 77098, 126661, 154196, 253322, 506644, 886627, 1773254, 2913203, 3546508, 5826406, 11652812, 20392421, 40784842, 81569684]

約数ペア:

[(1, 81569684), (2, 40784842), (4, 20392421), (7, 11652812), (14, 5826406), (23, 3546508), (28, 2913203), (46, 1773254), (92, 886627), (161, 506644), (322, 253322), (529, 154196), (644, 126661), (1058, 77098), (2116, 38549), (3703, 22028), (5507, 14812), (7406, 11014)]