28390868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8839}}^1$

素因数の和:8927

約数の個数: 24

約数和(自身を含む): 54949440

約数和(自身を除く): 26558572

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 8839, 17678, 35356, 97229, 194458, 388916, 645247, 1290494, 2580988, 7097717, 14195434, 28390868]

約数ペア:

[(1, 28390868), (2, 14195434), (4, 7097717), (11, 2580988), (22, 1290494), (44, 645247), (73, 388916), (146, 194458), (292, 97229), (803, 35356), (1606, 17678), (3212, 8839)]