161670145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18701}}^1$

素因数の和:18745

約数の個数: 32

約数和(自身を含む): 251354880

約数和(自身を除く): 89684735

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 18701, 93505, 130907, 243113, 355319, 654535, 1215565, 1701791, 1776595, 2487233, 4619147, 8508955, 12436165, 23095735, 32334029, 161670145]

約数ペア:

[(1, 161670145), (5, 32334029), (7, 23095735), (13, 12436165), (19, 8508955), (35, 4619147), (65, 2487233), (91, 1776595), (95, 1701791), (133, 1215565), (247, 654535), (455, 355319), (665, 243113), (1235, 130907), (1729, 93505), (8645, 18701)]