28666782

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 66066000

約数和(自身を除く): 37399218

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 109, 114, 171, 218, 327, 342, 654, 769, 981, 1538, 1962, 2071, 2307, 4142, 4614, 6213, 6921, 12426, 13842, 14611, 18639, 29222, 37278, 43833, 83821, 87666, 131499, 167642, 251463, 262998, 502926, 754389, 1508778, 1592599, 3185198, 4777797, 9555594, 14333391, 28666782]

約数ペア:

[(1, 28666782), (2, 14333391), (3, 9555594), (6, 4777797), (9, 3185198), (18, 1592599), (19, 1508778), (38, 754389), (57, 502926), (109, 262998), (114, 251463), (171, 167642), (218, 131499), (327, 87666), (342, 83821), (654, 43833), (769, 37278), (981, 29222), (1538, 18639), (1962, 14611), (2071, 13842), (2307, 12426), (4142, 6921), (4614, 6213)]