68821564

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{27617}}^1$

素因数の和:27717

約数の個数: 24

約数和(自身を含む): 139194720

約数和(自身を除く): 70373156

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 27617, 55234, 110468, 193319, 386638, 773276, 2457913, 4915826, 9831652, 17205391, 34410782, 68821564]

約数ペア:

[(1, 68821564), (2, 34410782), (4, 17205391), (7, 9831652), (14, 4915826), (28, 2457913), (89, 773276), (178, 386638), (356, 193319), (623, 110468), (1246, 55234), (2492, 27617)]