643901647823

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1\times {\mathrm{78887}}^1$

素因数の和:79631

約数の個数: 32

約数和(自身を含む): 787375448064

約数和(自身を除く): 143473800241

約数列:

[1, 7, 17, 113, 119, 607, 791, 1921, 4249, 10319, 13447, 68591, 72233, 78887, 480137, 552209, 1166047, 1341079, 8162329, 8914231, 9387553, 47884409, 62399617, 151541927, 335190863, 814034953, 1060793489, 5410938217, 5698244671, 37876567519, 91985949689, 643901647823]

約数ペア:

[(1, 643901647823), (7, 91985949689), (17, 37876567519), (113, 5698244671), (119, 5410938217), (607, 1060793489), (791, 814034953), (1921, 335190863), (4249, 151541927), (10319, 62399617), (13447, 47884409), (68591, 9387553), (72233, 8914231), (78887, 8162329), (480137, 1341079), (552209, 1166047)]