172171390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193451}}^1$

素因数の和:193547

約数の個数: 16

約数和(自身を含む): 313392240

約数和(自身を除く): 141220850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 193451, 386902, 967255, 1934510, 17217139, 34434278, 86085695, 172171390]

約数ペア:

[(1, 172171390), (2, 86085695), (5, 34434278), (10, 17217139), (89, 1934510), (178, 967255), (445, 386902), (890, 193451)]