2013139919

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 2400384000

約数和(自身を除く): 387244081

約数列:

[1, 7, 37, 139, 199, 259, 281, 973, 1393, 1967, 5143, 7363, 10397, 27661, 36001, 39059, 51541, 55919, 72779, 193627, 273413, 391433, 1023457, 1445183, 2069003, 7164199, 7772741, 10116281, 14483021, 54409187, 287591417, 2013139919]

約数ペア:

[(1, 2013139919), (7, 287591417), (37, 54409187), (139, 14483021), (199, 10116281), (259, 7772741), (281, 7164199), (973, 2069003), (1393, 1445183), (1967, 1023457), (5143, 391433), (7363, 273413), (10397, 193627), (27661, 72779), (36001, 55919), (39059, 51541)]