256131252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5021}}^1$

素因数の和:5153

約数の個数: 72

約数和(自身を含む): 703783080

約数和(自身を除く): 447651828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 436, 468, 654, 981, 1308, 1417, 1962, 2834, 3924, 4251, 5021, 5668, 8502, 10042, 12753, 15063, 17004, 20084, 25506, 30126, 45189, 51012, 60252, 65273, 90378, 130546, 180756, 195819, 261092, 391638, 547289, 587457, 783276, 1094578, 1174914, 1641867, 2189156, 2349828, 3283734, 4925601, 6567468, 7114757, 9851202, 14229514, 19702404, 21344271, 28459028, 42688542, 64032813, 85377084, 128065626, 256131252]

約数ペア:

[(1, 256131252), (2, 128065626), (3, 85377084), (4, 64032813), (6, 42688542), (9, 28459028), (12, 21344271), (13, 19702404), (18, 14229514), (26, 9851202), (36, 7114757), (39, 6567468), (52, 4925601), (78, 3283734), (109, 2349828), (117, 2189156), (156, 1641867), (218, 1174914), (234, 1094578), (327, 783276), (436, 587457), (468, 547289), (654, 391638), (981, 261092), (1308, 195819), (1417, 180756), (1962, 130546), (2834, 90378), (3924, 65273), (4251, 60252), (5021, 51012), (5668, 45189), (8502, 30126), (10042, 25506), (12753, 20084), (15063, 17004)]