81991596

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{709}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 200390400

約数和(自身を除く): 118398804

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 419, 709, 838, 1257, 1418, 1676, 2127, 2514, 2836, 4254, 5028, 8508, 9637, 16307, 19274, 28911, 32614, 38548, 48921, 57822, 65228, 97842, 115644, 195684, 297071, 594142, 891213, 1188284, 1782426, 3564852, 6832633, 13665266, 20497899, 27330532, 40995798, 81991596]

約数ペア:

[(1, 81991596), (2, 40995798), (3, 27330532), (4, 20497899), (6, 13665266), (12, 6832633), (23, 3564852), (46, 1782426), (69, 1188284), (92, 891213), (138, 594142), (276, 297071), (419, 195684), (709, 115644), (838, 97842), (1257, 65228), (1418, 57822), (1676, 48921), (2127, 38548), (2514, 32614), (2836, 28911), (4254, 19274), (5028, 16307), (8508, 9637)]