28139408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1583}}^1$

素因数の和:1703

約数の個数: 40

約数和(自身を含む): 60103296

約数和(自身を除く): 31963888

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1583, 1616, 2222, 3166, 4444, 6332, 8888, 12664, 17413, 17776, 25328, 34826, 69652, 139304, 159883, 278608, 319766, 639532, 1279064, 1758713, 2558128, 3517426, 7034852, 14069704, 28139408]

約数ペア:

[(1, 28139408), (2, 14069704), (4, 7034852), (8, 3517426), (11, 2558128), (16, 1758713), (22, 1279064), (44, 639532), (88, 319766), (101, 278608), (176, 159883), (202, 139304), (404, 69652), (808, 34826), (1111, 25328), (1583, 17776), (1616, 17413), (2222, 12664), (3166, 8888), (4444, 6332)]