1377488

素因数分解:

$2^4\times 7^3\times {\mathrm{251}}^1$

素因数の和:280

約数の個数: 40

約数和(自身を含む): 3124800

約数和(自身を除く): 1747312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 251, 343, 392, 502, 686, 784, 1004, 1372, 1757, 2008, 2744, 3514, 4016, 5488, 7028, 12299, 14056, 24598, 28112, 49196, 86093, 98392, 172186, 196784, 344372, 688744, 1377488]

約数ペア:

[(1, 1377488), (2, 688744), (4, 344372), (7, 196784), (8, 172186), (14, 98392), (16, 86093), (28, 49196), (49, 28112), (56, 24598), (98, 14056), (112, 12299), (196, 7028), (251, 5488), (343, 4016), (392, 3514), (502, 2744), (686, 2008), (784, 1757), (1004, 1372)]