1279209904

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{243011}}^1$

素因数の和:243073

約数の個数: 40

約数和(自身を含む): 2892814848

約数和(自身を除く): 1613604944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 5264, 243011, 486022, 972044, 1701077, 1944088, 3402154, 3888176, 6804308, 11421517, 13608616, 22843034, 27217232, 45686068, 79950619, 91372136, 159901238, 182744272, 319802476, 639604952, 1279209904]

約数ペア:

[(1, 1279209904), (2, 639604952), (4, 319802476), (7, 182744272), (8, 159901238), (14, 91372136), (16, 79950619), (28, 45686068), (47, 27217232), (56, 22843034), (94, 13608616), (112, 11421517), (188, 6804308), (329, 3888176), (376, 3402154), (658, 1944088), (752, 1701077), (1316, 972044), (2632, 486022), (5264, 243011)]