28883239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 9602777

約数列:

[1, 7, 11, 23, 47, 77, 161, 253, 329, 347, 517, 1081, 1771, 2429, 3619, 3817, 7567, 7981, 11891, 16309, 26719, 55867, 83237, 87791, 114163, 179399, 375107, 614537, 1255793, 2625749, 4126177, 28883239]

約数ペア:

[(1, 28883239), (7, 4126177), (11, 2625749), (23, 1255793), (47, 614537), (77, 375107), (161, 179399), (253, 114163), (329, 87791), (347, 83237), (517, 55867), (1081, 26719), (1771, 16309), (2429, 11891), (3619, 7981), (3817, 7567)]