1998756544

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{286519}}^1$

素因数の和:286640

約数の個数: 28

約数和(自身を含む): 4002684400

約数和(自身を除く): 2003927856

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3488, 6976, 286519, 573038, 1146076, 2292152, 4584304, 9168608, 18337216, 31230571, 62461142, 124922284, 249844568, 499689136, 999378272, 1998756544]

約数ペア:

[(1, 1998756544), (2, 999378272), (4, 499689136), (8, 249844568), (16, 124922284), (32, 62461142), (64, 31230571), (109, 18337216), (218, 9168608), (436, 4584304), (872, 2292152), (1744, 1146076), (3488, 573038), (6976, 286519)]