172896143

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 214510080

約数和(自身を除く): 41613937

約数列:

[1, 7, 19, 61, 101, 133, 211, 427, 707, 1159, 1477, 1919, 4009, 6161, 8113, 12871, 13433, 21311, 28063, 43127, 90097, 117059, 149177, 244549, 404909, 819413, 1299971, 1711843, 2834363, 9099797, 24699449, 172896143]

約数ペア:

[(1, 172896143), (7, 24699449), (19, 9099797), (61, 2834363), (101, 1711843), (133, 1299971), (211, 819413), (427, 404909), (707, 244549), (1159, 149177), (1477, 117059), (1919, 90097), (4009, 43127), (6161, 28063), (8113, 21311), (12871, 13433)]