81004196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 175835520

約数和(自身を除く): 94831324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 973, 1601, 1807, 1946, 3202, 3614, 3892, 6404, 7228, 11207, 12649, 20813, 22414, 25298, 41626, 44828, 50596, 83252, 145691, 222539, 291382, 445078, 582764, 890156, 1557773, 2893007, 3115546, 5786014, 6231092, 11572028, 20251049, 40502098, 81004196]

約数ペア:

[(1, 81004196), (2, 40502098), (4, 20251049), (7, 11572028), (13, 6231092), (14, 5786014), (26, 3115546), (28, 2893007), (52, 1557773), (91, 890156), (139, 582764), (182, 445078), (278, 291382), (364, 222539), (556, 145691), (973, 83252), (1601, 50596), (1807, 44828), (1946, 41626), (3202, 25298), (3614, 22414), (3892, 20813), (6404, 12649), (7228, 11207)]