81316924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{4261}}^1$

素因数の和:4645

約数の個数: 24

約数和(自身を含む): 153704768

約数和(自身を除く): 72387844

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1468, 4261, 4771, 8522, 9542, 17044, 19084, 55393, 110786, 221572, 1563787, 3127574, 6255148, 20329231, 40658462, 81316924]

約数ペア:

[(1, 81316924), (2, 40658462), (4, 20329231), (13, 6255148), (26, 3127574), (52, 1563787), (367, 221572), (734, 110786), (1468, 55393), (4261, 19084), (4771, 17044), (8522, 9542)]