1997748

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 36

約数和(自身を含む): 5093088

約数和(自身を除く): 3095340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 263, 422, 526, 633, 789, 844, 1052, 1266, 1578, 1899, 2367, 2532, 3156, 3798, 4734, 7596, 9468, 55493, 110986, 166479, 221972, 332958, 499437, 665916, 998874, 1997748]

約数ペア:

[(1, 1997748), (2, 998874), (3, 665916), (4, 499437), (6, 332958), (9, 221972), (12, 166479), (18, 110986), (36, 55493), (211, 9468), (263, 7596), (422, 4734), (526, 3798), (633, 3156), (789, 2532), (844, 2367), (1052, 1899), (1266, 1578)]