81818984

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 168597900

約数和(自身を除く): 86778916

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 169, 292, 338, 584, 676, 829, 949, 1352, 1658, 1898, 3316, 3796, 6632, 7592, 10777, 12337, 21554, 24674, 43108, 49348, 60517, 86216, 98696, 121034, 140101, 242068, 280202, 484136, 560404, 786721, 1120808, 1573442, 3146884, 6293768, 10227373, 20454746, 40909492, 81818984]

約数ペア:

[(1, 81818984), (2, 40909492), (4, 20454746), (8, 10227373), (13, 6293768), (26, 3146884), (52, 1573442), (73, 1120808), (104, 786721), (146, 560404), (169, 484136), (292, 280202), (338, 242068), (584, 140101), (676, 121034), (829, 98696), (949, 86216), (1352, 60517), (1658, 49348), (1898, 43108), (3316, 24674), (3796, 21554), (6632, 12337), (7592, 10777)]