12988888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2203}}^1$

素因数の和:2287

約数の個数: 32

約数和(自身を含む): 26976960

約数和(自身を除く): 13988072

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2203, 2948, 4406, 5896, 8812, 17624, 24233, 48466, 96932, 147601, 193864, 295202, 590404, 1180808, 1623611, 3247222, 6494444, 12988888]

約数ペア:

[(1, 12988888), (2, 6494444), (4, 3247222), (8, 1623611), (11, 1180808), (22, 590404), (44, 295202), (67, 193864), (88, 147601), (134, 96932), (268, 48466), (536, 24233), (737, 17624), (1474, 8812), (2203, 5896), (2948, 4406)]