68666868

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 182827008

約数和(自身を除く): 114160140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 127, 138, 207, 254, 276, 381, 414, 508, 653, 762, 828, 1143, 1306, 1524, 1959, 2286, 2612, 2921, 3918, 4572, 5842, 5877, 7836, 8763, 11684, 11754, 15019, 17526, 23508, 26289, 30038, 35052, 45057, 52578, 60076, 82931, 90114, 105156, 135171, 165862, 180228, 248793, 270342, 331724, 497586, 540684, 746379, 995172, 1492758, 1907413, 2985516, 3814826, 5722239, 7629652, 11444478, 17166717, 22888956, 34333434, 68666868]

約数ペア:

[(1, 68666868), (2, 34333434), (3, 22888956), (4, 17166717), (6, 11444478), (9, 7629652), (12, 5722239), (18, 3814826), (23, 2985516), (36, 1907413), (46, 1492758), (69, 995172), (92, 746379), (127, 540684), (138, 497586), (207, 331724), (254, 270342), (276, 248793), (381, 180228), (414, 165862), (508, 135171), (653, 105156), (762, 90114), (828, 82931), (1143, 60076), (1306, 52578), (1524, 45057), (1959, 35052), (2286, 30038), (2612, 26289), (2921, 23508), (3918, 17526), (4572, 15019), (5842, 11754), (5877, 11684), (7836, 8763)]