9990978

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 10745022

約数列:

[1, 2, 3, 6, 47, 71, 94, 141, 142, 213, 282, 426, 499, 998, 1497, 2994, 3337, 6674, 10011, 20022, 23453, 35429, 46906, 70359, 70858, 106287, 140718, 212574, 1665163, 3330326, 4995489, 9990978]

約数ペア:

[(1, 9990978), (2, 4995489), (3, 3330326), (6, 1665163), (47, 212574), (71, 140718), (94, 106287), (141, 70858), (142, 70359), (213, 46906), (282, 35429), (426, 23453), (499, 20022), (998, 10011), (1497, 6674), (2994, 3337)]