40902428

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21803}}^1$

素因数の和:21881

約数の個数: 24

約数和(自身を含む): 83029632

約数和(自身を除く): 42127204

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21803, 43606, 87212, 152621, 305242, 610484, 1460801, 2921602, 5843204, 10225607, 20451214, 40902428]

約数ペア:

[(1, 40902428), (2, 20451214), (4, 10225607), (7, 5843204), (14, 2921602), (28, 1460801), (67, 610484), (134, 305242), (268, 152621), (469, 87212), (938, 43606), (1876, 21803)]