12938128

素因数分解:

$2^4\times 7^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 28817600

約数和(自身を除く): 15879472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 331, 349, 662, 698, 1324, 1396, 2317, 2443, 2648, 2792, 4634, 4886, 5296, 5584, 9268, 9772, 18536, 19544, 37072, 39088, 115519, 231038, 462076, 808633, 924152, 1617266, 1848304, 3234532, 6469064, 12938128]

約数ペア:

[(1, 12938128), (2, 6469064), (4, 3234532), (7, 1848304), (8, 1617266), (14, 924152), (16, 808633), (28, 462076), (56, 231038), (112, 115519), (331, 39088), (349, 37072), (662, 19544), (698, 18536), (1324, 9772), (1396, 9268), (2317, 5584), (2443, 5296), (2648, 4886), (2792, 4634)]