4988988

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1146

約数の個数: 36

約数和(自身を含む): 12714520

約数和(自身を除く): 7725532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 997, 1251, 1668, 1994, 2502, 2991, 3988, 5004, 5982, 8973, 11964, 17946, 35892, 138583, 277166, 415749, 554332, 831498, 1247247, 1662996, 2494494, 4988988]

約数ペア:

[(1, 4988988), (2, 2494494), (3, 1662996), (4, 1247247), (6, 831498), (9, 554332), (12, 415749), (18, 277166), (36, 138583), (139, 35892), (278, 17946), (417, 11964), (556, 8973), (834, 5982), (997, 5004), (1251, 3988), (1668, 2991), (1994, 2502)]