163945145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4561}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 245253120

約数和(自身を除く): 81307975

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 4561, 5135, 7189, 22805, 31927, 35945, 59293, 159635, 296465, 360319, 415051, 1801595, 2075255, 2522233, 4684147, 12611165, 23420735, 32789029, 163945145]

約数ペア:

[(1, 163945145), (5, 32789029), (7, 23420735), (13, 12611165), (35, 4684147), (65, 2522233), (79, 2075255), (91, 1801595), (395, 415051), (455, 360319), (553, 296465), (1027, 159635), (2765, 59293), (4561, 35945), (5135, 31927), (7189, 22805)]