27906904

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{21401}}^1$

素因数の和:21570

約数の個数: 16

約数和(自身を含む): 52648920

約数和(自身を除く): 24742016

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 21401, 42802, 85604, 171208, 3488363, 6976726, 13953452, 27906904]

約数ペア:

[(1, 27906904), (2, 13953452), (4, 6976726), (8, 3488363), (163, 171208), (326, 85604), (652, 42802), (1304, 21401)]