28018837

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 35868960

約数和(自身を除く): 7850123

約数列:

[1, 7, 11, 49, 77, 227, 229, 539, 1589, 1603, 2497, 2519, 11123, 11221, 17479, 17633, 51983, 122353, 123431, 363881, 571813, 2547167, 4002691, 28018837]

約数ペア:

[(1, 28018837), (7, 4002691), (11, 2547167), (49, 571813), (77, 363881), (227, 123431), (229, 122353), (539, 51983), (1589, 17633), (1603, 17479), (2497, 11221), (2519, 11123)]