1888921391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{690143}}^1$

素因数の和:690190

約数の個数: 16

約数和(自身を含む): 2385137664

約数和(自身を除く): 496216273

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 690143, 4831001, 11732431, 15873289, 82127017, 111113023, 269845913, 1888921391]

約数ペア:

[(1, 1888921391), (7, 269845913), (17, 111113023), (23, 82127017), (119, 15873289), (161, 11732431), (391, 4831001), (2737, 690143)]