31038502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 53250048

約数和(自身を除く): 22211546

約数列:

[1, 2, 11, 22, 31, 62, 71, 142, 341, 641, 682, 781, 1282, 1562, 2201, 4402, 7051, 14102, 19871, 24211, 39742, 45511, 48422, 91022, 218581, 437162, 500621, 1001242, 1410841, 2821682, 15519251, 31038502]

約数ペア:

[(1, 31038502), (2, 15519251), (11, 2821682), (22, 1410841), (31, 1001242), (62, 500621), (71, 437162), (142, 218581), (341, 91022), (641, 48422), (682, 45511), (781, 39742), (1282, 24211), (1562, 19871), (2201, 14102), (4402, 7051)]