396748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 774144

約数和(自身を除く): 377396

約数列:

[1, 2, 4, 11, 22, 44, 71, 127, 142, 254, 284, 508, 781, 1397, 1562, 2794, 3124, 5588, 9017, 18034, 36068, 99187, 198374, 396748]

約数ペア:

[(1, 396748), (2, 198374), (4, 99187), (11, 36068), (22, 18034), (44, 9017), (71, 5588), (127, 3124), (142, 2794), (254, 1562), (284, 1397), (508, 781)]