864272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 1763280

約数和(自身を除く): 899008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2843, 5686, 11372, 22744, 45488, 54017, 108034, 216068, 432136, 864272]

約数ペア:

[(1, 864272), (2, 432136), (4, 216068), (8, 108034), (16, 54017), (19, 45488), (38, 22744), (76, 11372), (152, 5686), (304, 2843)]