80437734

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1987}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 188867952

約数和(自身を除く): 108430218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 173, 234, 346, 519, 1038, 1557, 1987, 2249, 3114, 3974, 4498, 5961, 6747, 11922, 13494, 17883, 20241, 25831, 35766, 40482, 51662, 77493, 154986, 232479, 343751, 464958, 687502, 1031253, 2062506, 3093759, 4468763, 6187518, 8937526, 13406289, 26812578, 40218867, 80437734]

約数ペア:

[(1, 80437734), (2, 40218867), (3, 26812578), (6, 13406289), (9, 8937526), (13, 6187518), (18, 4468763), (26, 3093759), (39, 2062506), (78, 1031253), (117, 687502), (173, 464958), (234, 343751), (346, 232479), (519, 154986), (1038, 77493), (1557, 51662), (1987, 40482), (2249, 35766), (3114, 25831), (3974, 20241), (4498, 17883), (5961, 13494), (6747, 11922)]