81680412

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19961}}^1$

素因数の和:20010

約数の個数: 48

約数和(自身を含む): 214631424

約数和(自身を除く): 132951012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 19961, 39922, 59883, 79844, 119766, 219571, 239532, 439142, 618791, 658713, 878284, 1237582, 1317426, 1856373, 2475164, 2634852, 3712746, 6806701, 7425492, 13613402, 20420103, 27226804, 40840206, 81680412]

約数ペア:

[(1, 81680412), (2, 40840206), (3, 27226804), (4, 20420103), (6, 13613402), (11, 7425492), (12, 6806701), (22, 3712746), (31, 2634852), (33, 2475164), (44, 1856373), (62, 1317426), (66, 1237582), (93, 878284), (124, 658713), (132, 618791), (186, 439142), (341, 239532), (372, 219571), (682, 119766), (1023, 79844), (1364, 59883), (2046, 39922), (4092, 19961)]