28991404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1553}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 54825120

約数和(自身を除く): 25833716

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 1436, 1553, 3106, 4667, 6212, 9334, 18668, 20189, 40378, 80756, 557527, 1115054, 2230108, 7247851, 14495702, 28991404]

約数ペア:

[(1, 28991404), (2, 14495702), (4, 7247851), (13, 2230108), (26, 1115054), (52, 557527), (359, 80756), (718, 40378), (1436, 20189), (1553, 18668), (3106, 9334), (4667, 6212)]