1256556868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{4931}}^1$

素因数の和:5440

約数の個数: 48

約数和(自身を含む): 2651443200

約数和(自身を除く): 1394886332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 479, 532, 958, 1916, 3353, 4931, 6706, 9101, 9862, 13412, 18202, 19724, 34517, 36404, 63707, 69034, 93689, 127414, 138068, 187378, 254828, 374756, 655823, 1311646, 2361949, 2623292, 4723898, 9447796, 16533643, 33067286, 44877031, 66134572, 89754062, 179508124, 314139217, 628278434, 1256556868]

約数ペア:

[(1, 1256556868), (2, 628278434), (4, 314139217), (7, 179508124), (14, 89754062), (19, 66134572), (28, 44877031), (38, 33067286), (76, 16533643), (133, 9447796), (266, 4723898), (479, 2623292), (532, 2361949), (958, 1311646), (1916, 655823), (3353, 374756), (4931, 254828), (6706, 187378), (9101, 138068), (9862, 127414), (13412, 93689), (18202, 69034), (19724, 63707), (34517, 36404)]