28080008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5231}}^1$

素因数の和:5309

約数の個数: 32

約数和(自身を含む): 58389120

約数和(自身を除く): 30309112

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5231, 5368, 10462, 20924, 41848, 57541, 115082, 230164, 319091, 460328, 638182, 1276364, 2552728, 3510001, 7020002, 14040004, 28080008]

約数ペア:

[(1, 28080008), (2, 14040004), (4, 7020002), (8, 3510001), (11, 2552728), (22, 1276364), (44, 638182), (61, 460328), (88, 319091), (122, 230164), (244, 115082), (488, 57541), (671, 41848), (1342, 20924), (2684, 10462), (5231, 5368)]