28185718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 49082112

約数和(自身を除く): 20896394

約数列:

[1, 2, 11, 22, 23, 46, 53, 106, 253, 506, 583, 1051, 1166, 1219, 2102, 2438, 11561, 13409, 23122, 24173, 26818, 48346, 55703, 111406, 265903, 531806, 612733, 1225466, 1281169, 2562338, 14092859, 28185718]

約数ペア:

[(1, 28185718), (2, 14092859), (11, 2562338), (22, 1281169), (23, 1225466), (46, 612733), (53, 531806), (106, 265903), (253, 111406), (506, 55703), (583, 48346), (1051, 26818), (1166, 24173), (1219, 23122), (2102, 13409), (2438, 11561)]