81868566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2193

約数の個数: 64

約数和(自身を含む): 193233600

約数和(自身を除く): 111365034

約数列:

[1, 2, 3, 6, 13, 17, 26, 29, 34, 39, 51, 58, 78, 87, 102, 174, 221, 377, 442, 493, 663, 754, 986, 1131, 1326, 1479, 2129, 2262, 2958, 4258, 6387, 6409, 12774, 12818, 19227, 27677, 36193, 38454, 55354, 61741, 72386, 83031, 108579, 123482, 166062, 185223, 217158, 370446, 470509, 802633, 941018, 1049597, 1411527, 1605266, 2099194, 2407899, 2823054, 3148791, 4815798, 6297582, 13644761, 27289522, 40934283, 81868566]

約数ペア:

[(1, 81868566), (2, 40934283), (3, 27289522), (6, 13644761), (13, 6297582), (17, 4815798), (26, 3148791), (29, 2823054), (34, 2407899), (39, 2099194), (51, 1605266), (58, 1411527), (78, 1049597), (87, 941018), (102, 802633), (174, 470509), (221, 370446), (377, 217158), (442, 185223), (493, 166062), (663, 123482), (754, 108579), (986, 83031), (1131, 72386), (1326, 61741), (1479, 55354), (2129, 38454), (2262, 36193), (2958, 27677), (4258, 19227), (6387, 12818), (6409, 12774)]