64126764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 175567392

約数和(自身を除く): 111440628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 263, 468, 521, 526, 789, 1042, 1052, 1563, 1578, 2084, 2367, 3126, 3156, 3419, 4689, 4734, 6252, 6773, 6838, 9378, 9468, 10257, 13546, 13676, 18756, 20319, 20514, 27092, 30771, 40638, 41028, 60957, 61542, 81276, 121914, 123084, 137023, 243828, 274046, 411069, 548092, 822138, 1233207, 1644276, 1781299, 2466414, 3562598, 4932828, 5343897, 7125196, 10687794, 16031691, 21375588, 32063382, 64126764]

約数ペア:

[(1, 64126764), (2, 32063382), (3, 21375588), (4, 16031691), (6, 10687794), (9, 7125196), (12, 5343897), (13, 4932828), (18, 3562598), (26, 2466414), (36, 1781299), (39, 1644276), (52, 1233207), (78, 822138), (117, 548092), (156, 411069), (234, 274046), (263, 243828), (468, 137023), (521, 123084), (526, 121914), (789, 81276), (1042, 61542), (1052, 60957), (1563, 41028), (1578, 40638), (2084, 30771), (2367, 27092), (3126, 20514), (3156, 20319), (3419, 18756), (4689, 13676), (4734, 13546), (6252, 10257), (6773, 9468), (6838, 9378)]