180190913

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{1297}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 209341440

約数和(自身を除く): 29150527

約数列:

[1, 7, 89, 223, 623, 1297, 1561, 9079, 19847, 115433, 138929, 289231, 808031, 2024617, 25741559, 180190913]

約数ペア:

[(1, 180190913), (7, 25741559), (89, 2024617), (223, 808031), (623, 289231), (1297, 138929), (1561, 115433), (9079, 19847)]