28742956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10709}}^1$

素因数の和:10785

約数の個数: 24

約数和(自身を含む): 55777680

約数和(自身を除く): 27034724

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 10709, 21418, 42836, 117799, 235598, 471196, 653249, 1306498, 2612996, 7185739, 14371478, 28742956]

約数ペア:

[(1, 28742956), (2, 14371478), (4, 7185739), (11, 2612996), (22, 1306498), (44, 653249), (61, 471196), (122, 235598), (244, 117799), (671, 42836), (1342, 21418), (2684, 10709)]