1290811312

素因数分解:

$2^4\times 7^2\times {\mathrm{1646443}}^1$

素因数の和:1646465

約数の個数: 30

約数和(自身を含む): 2909266548

約数和(自身を除く): 1618455236

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 1646443, 3292886, 6585772, 11525101, 13171544, 23050202, 26343088, 46100404, 80675707, 92200808, 161351414, 184401616, 322702828, 645405656, 1290811312]

約数ペア:

[(1, 1290811312), (2, 645405656), (4, 322702828), (7, 184401616), (8, 161351414), (14, 92200808), (16, 80675707), (28, 46100404), (49, 26343088), (56, 23050202), (98, 13171544), (112, 11525101), (196, 6585772), (392, 3292886), (784, 1646443)]