622139

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 16

約数和(自身を含む): 761856

約数和(自身を除く): 139717

約数列:

[1, 7, 31, 47, 61, 217, 329, 427, 1457, 1891, 2867, 10199, 13237, 20069, 88877, 622139]

約数ペア:

[(1, 622139), (7, 88877), (31, 20069), (47, 13237), (61, 10199), (217, 2867), (329, 1891), (427, 1457)]