219312821

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{2083}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 274587840

約数和(自身を除く): 55275019

約数列:

[1, 7, 13, 89, 91, 169, 623, 1157, 1183, 2083, 8099, 14581, 15041, 27079, 105287, 185387, 189553, 352027, 1297709, 2410031, 2464189, 16870217, 31330403, 219312821]

約数ペア:

[(1, 219312821), (7, 31330403), (13, 16870217), (89, 2464189), (91, 2410031), (169, 1297709), (623, 352027), (1157, 189553), (1183, 185387), (2083, 105287), (8099, 27079), (14581, 15041)]