491901982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{90523}}^1$

素因数の和:90568

約数の個数: 32

約数和(自身を含む): 912481920

約数和(自身を除く): 420579938

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 90523, 181046, 995753, 1176799, 1719937, 1991506, 2353598, 3439874, 12944789, 18919307, 22359181, 25889578, 37838614, 44718362, 245950991, 491901982]

約数ペア:

[(1, 491901982), (2, 245950991), (11, 44718362), (13, 37838614), (19, 25889578), (22, 22359181), (26, 18919307), (38, 12944789), (143, 3439874), (209, 2353598), (247, 1991506), (286, 1719937), (418, 1176799), (494, 995753), (2717, 181046), (5434, 90523)]