15681996

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^2$

素因数の和:419

約数の個数: 54

約数和(自身を含む): 43462692

約数和(自身を除く): 27780696

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 199, 396, 398, 597, 796, 1194, 1791, 2189, 2388, 3582, 4378, 6567, 7164, 8756, 13134, 19701, 26268, 39402, 39601, 78804, 79202, 118803, 158404, 237606, 356409, 435611, 475212, 712818, 871222, 1306833, 1425636, 1742444, 2613666, 3920499, 5227332, 7840998, 15681996]

約数ペア:

[(1, 15681996), (2, 7840998), (3, 5227332), (4, 3920499), (6, 2613666), (9, 1742444), (11, 1425636), (12, 1306833), (18, 871222), (22, 712818), (33, 475212), (36, 435611), (44, 356409), (66, 237606), (99, 158404), (132, 118803), (198, 79202), (199, 78804), (396, 39601), (398, 39402), (597, 26268), (796, 19701), (1194, 13134), (1791, 8756), (2189, 7164), (2388, 6567), (3582, 4378)]