664390376

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 1366310400

約数和(自身を除く): 701920024

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 169, 206, 338, 367, 412, 676, 734, 824, 1339, 1352, 1468, 2197, 2678, 2936, 4394, 4771, 5356, 8788, 9542, 10712, 17407, 17576, 19084, 34814, 37801, 38168, 62023, 69628, 75602, 124046, 139256, 151204, 226291, 248092, 302408, 452582, 491413, 496184, 806299, 905164, 982826, 1612598, 1810328, 1965652, 3225196, 3931304, 6388369, 6450392, 12776738, 25553476, 51106952, 83048797, 166097594, 332195188, 664390376]

約数ペア:

[(1, 664390376), (2, 332195188), (4, 166097594), (8, 83048797), (13, 51106952), (26, 25553476), (52, 12776738), (103, 6450392), (104, 6388369), (169, 3931304), (206, 3225196), (338, 1965652), (367, 1810328), (412, 1612598), (676, 982826), (734, 905164), (824, 806299), (1339, 496184), (1352, 491413), (1468, 452582), (2197, 302408), (2678, 248092), (2936, 226291), (4394, 151204), (4771, 139256), (5356, 124046), (8788, 75602), (9542, 69628), (10712, 62023), (17407, 38168), (17576, 37801), (19084, 34814)]