81428968

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{172519}}^1$

素因数の和:172584

約数の個数: 16

約数和(自身を含む): 155268000

約数和(自身を除く): 73839032

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 172519, 345038, 690076, 1380152, 10178621, 20357242, 40714484, 81428968]

約数ペア:

[(1, 81428968), (2, 40714484), (4, 20357242), (8, 10178621), (59, 1380152), (118, 690076), (236, 345038), (472, 172519)]