172747390

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{13721}}^1$

素因数の和:14987

約数の個数: 16

約数和(自身を含む): 311214960

約数和(自身を除く): 138467570

約数列:

[1, 2, 5, 10, 1259, 2518, 6295, 12590, 13721, 27442, 68605, 137210, 17274739, 34549478, 86373695, 172747390]

約数ペア:

[(1, 172747390), (2, 86373695), (5, 34549478), (10, 17274739), (1259, 137210), (2518, 68605), (6295, 27442), (12590, 13721)]