28971774

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7283}}^1$

素因数の和:7321

約数の個数: 48

約数和(自身を含む): 71587152

約数和(自身を除く): 42615378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 7283, 14566, 21849, 43698, 65547, 94679, 123811, 131094, 189358, 247622, 284037, 371433, 568074, 742866, 852111, 1114299, 1609543, 1704222, 2228598, 3219086, 4828629, 9657258, 14485887, 28971774]

約数ペア:

[(1, 28971774), (2, 14485887), (3, 9657258), (6, 4828629), (9, 3219086), (13, 2228598), (17, 1704222), (18, 1609543), (26, 1114299), (34, 852111), (39, 742866), (51, 568074), (78, 371433), (102, 284037), (117, 247622), (153, 189358), (221, 131094), (234, 123811), (306, 94679), (442, 65547), (663, 43698), (1326, 21849), (1989, 14566), (3978, 7283)]