28278616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{207931}}^1$

素因数の和:207954

約数の個数: 16

約数和(自身を含む): 56141640

約数和(自身を除く): 27863024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 207931, 415862, 831724, 1663448, 3534827, 7069654, 14139308, 28278616]

約数ペア:

[(1, 28278616), (2, 14139308), (4, 7069654), (8, 3534827), (17, 1663448), (34, 831724), (68, 415862), (136, 207931)]