1921854599

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 2296419840

約数和(自身を除く): 374565241

約数列:

[1, 7, 43, 67, 233, 301, 409, 469, 1631, 2863, 2881, 10019, 15611, 17587, 20167, 27403, 70133, 95297, 109277, 123109, 191821, 667079, 671273, 1178329, 4097771, 4698911, 6384899, 8248303, 28684397, 44694293, 274550657, 1921854599]

約数ペア:

[(1, 1921854599), (7, 274550657), (43, 44694293), (67, 28684397), (233, 8248303), (301, 6384899), (409, 4698911), (469, 4097771), (1631, 1178329), (2863, 671273), (2881, 667079), (10019, 191821), (15611, 123109), (17587, 109277), (20167, 95297), (27403, 70133)]