28013876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1009}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 53618880

約数和(自身を除く): 25605004

約数列:

[1, 2, 4, 11, 22, 44, 631, 1009, 1262, 2018, 2524, 4036, 6941, 11099, 13882, 22198, 27764, 44396, 636679, 1273358, 2546716, 7003469, 14006938, 28013876]

約数ペア:

[(1, 28013876), (2, 14006938), (4, 7003469), (11, 2546716), (22, 1273358), (44, 636679), (631, 44396), (1009, 27764), (1262, 22198), (2018, 13882), (2524, 11099), (4036, 6941)]