81668556

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{55331}}^1$

素因数の和:55382

約数の個数: 36

約数和(自身を含む): 211478904

約数和(自身を除く): 129810348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 55331, 110662, 165993, 221324, 331986, 497979, 663972, 995958, 1991916, 2268571, 4537142, 6805713, 9074284, 13611426, 20417139, 27222852, 40834278, 81668556]

約数ペア:

[(1, 81668556), (2, 40834278), (3, 27222852), (4, 20417139), (6, 13611426), (9, 9074284), (12, 6805713), (18, 4537142), (36, 2268571), (41, 1991916), (82, 995958), (123, 663972), (164, 497979), (246, 331986), (369, 221324), (492, 165993), (738, 110662), (1476, 55331)]