28164292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4969}}^1$

素因数の和:5095

約数の個数: 24

約数和(自身を含む): 53576600

約数和(自身を除く): 25412308

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 4969, 5668, 9938, 19876, 64597, 129194, 258388, 541621, 1083242, 2166484, 7041073, 14082146, 28164292]

約数ペア:

[(1, 28164292), (2, 14082146), (4, 7041073), (13, 2166484), (26, 1083242), (52, 541621), (109, 258388), (218, 129194), (436, 64597), (1417, 19876), (2834, 9938), (4969, 5668)]