381615136

素因数分解:

$2^5\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1446

約数の個数: 72

約数和(自身を含む): 879076800

約数和(自身を除く): 497461664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 199, 224, 392, 398, 784, 796, 1223, 1393, 1568, 1592, 2446, 2786, 3184, 4892, 5572, 6368, 8561, 9751, 9784, 11144, 17122, 19502, 19568, 22288, 34244, 39004, 39136, 44576, 59927, 68488, 78008, 119854, 136976, 156016, 239708, 243377, 273952, 312032, 479416, 486754, 958832, 973508, 1703639, 1917664, 1947016, 3407278, 3894032, 6814556, 7788064, 11925473, 13629112, 23850946, 27258224, 47701892, 54516448, 95403784, 190807568, 381615136]

約数ペア:

[(1, 381615136), (2, 190807568), (4, 95403784), (7, 54516448), (8, 47701892), (14, 27258224), (16, 23850946), (28, 13629112), (32, 11925473), (49, 7788064), (56, 6814556), (98, 3894032), (112, 3407278), (196, 1947016), (199, 1917664), (224, 1703639), (392, 973508), (398, 958832), (784, 486754), (796, 479416), (1223, 312032), (1393, 273952), (1568, 243377), (1592, 239708), (2446, 156016), (2786, 136976), (3184, 119854), (4892, 78008), (5572, 68488), (6368, 59927), (8561, 44576), (9751, 39136), (9784, 39004), (11144, 34244), (17122, 22288), (19502, 19568)]