1321520889208

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{4961707}}^1$

素因数の和:4961936

約数の個数: 48

約数和(自身を含む): 2696737915080

約数和(自身を除く): 1375217025872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 197, 338, 394, 676, 788, 1352, 1576, 2561, 5122, 10244, 20488, 33293, 66586, 133172, 266344, 4961707, 9923414, 19846828, 39693656, 64502191, 129004382, 258008764, 516017528, 838528483, 977456279, 1677056966, 1954912558, 3354113932, 3909825116, 6708227864, 7819650232, 12706931627, 25413863254, 50827726508, 101655453016, 165190111151, 330380222302, 660760444604, 1321520889208]

約数ペア:

[(1, 1321520889208), (2, 660760444604), (4, 330380222302), (8, 165190111151), (13, 101655453016), (26, 50827726508), (52, 25413863254), (104, 12706931627), (169, 7819650232), (197, 6708227864), (338, 3909825116), (394, 3354113932), (676, 1954912558), (788, 1677056966), (1352, 977456279), (1576, 838528483), (2561, 516017528), (5122, 258008764), (10244, 129004382), (20488, 64502191), (33293, 39693656), (66586, 19846828), (133172, 9923414), (266344, 4961707)]