20171417

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 23592192

約数和(自身を除く): 3420775

約数列:

[1, 7, 101, 103, 277, 707, 721, 1939, 10403, 27977, 28531, 72821, 195839, 199717, 2881631, 20171417]

約数ペア:

[(1, 20171417), (7, 2881631), (101, 199717), (103, 195839), (277, 72821), (707, 28531), (721, 27977), (1939, 10403)]