256441892

素因数分解:

$2^2\times 7^3\times {\mathrm{311}}^1\times {\mathrm{601}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 525907200

約数和(自身を除く): 269465308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 311, 343, 601, 622, 686, 1202, 1244, 1372, 2177, 2404, 4207, 4354, 8414, 8708, 15239, 16828, 29449, 30478, 58898, 60956, 106673, 117796, 186911, 206143, 213346, 373822, 412286, 426692, 747644, 824572, 1308377, 2616754, 5233508, 9158639, 18317278, 36634556, 64110473, 128220946, 256441892]

約数ペア:

[(1, 256441892), (2, 128220946), (4, 64110473), (7, 36634556), (14, 18317278), (28, 9158639), (49, 5233508), (98, 2616754), (196, 1308377), (311, 824572), (343, 747644), (601, 426692), (622, 412286), (686, 373822), (1202, 213346), (1244, 206143), (1372, 186911), (2177, 117796), (2404, 106673), (4207, 60956), (4354, 58898), (8414, 30478), (8708, 29449), (15239, 16828)]