1999319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 2472768

約数和(自身を除く): 473449

約数列:

[1, 7, 17, 53, 119, 317, 371, 901, 2219, 5389, 6307, 16801, 37723, 117607, 285617, 1999319]

約数ペア:

[(1, 1999319), (7, 285617), (17, 117607), (53, 37723), (119, 16801), (317, 6307), (371, 5389), (901, 2219)]