47781972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1493}}^1$

素因数の和:1637

約数の個数: 72

約数和(自身を含む): 139216896

約数和(自身を除く): 91434924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1493, 1524, 1778, 2286, 2667, 2986, 3556, 4479, 4572, 5334, 5972, 8001, 8958, 10451, 10668, 13437, 16002, 17916, 20902, 26874, 31353, 32004, 41804, 53748, 62706, 94059, 125412, 188118, 189611, 376236, 379222, 568833, 758444, 1137666, 1327277, 1706499, 2275332, 2654554, 3412998, 3981831, 5309108, 6825996, 7963662, 11945493, 15927324, 23890986, 47781972]

約数ペア:

[(1, 47781972), (2, 23890986), (3, 15927324), (4, 11945493), (6, 7963662), (7, 6825996), (9, 5309108), (12, 3981831), (14, 3412998), (18, 2654554), (21, 2275332), (28, 1706499), (36, 1327277), (42, 1137666), (63, 758444), (84, 568833), (126, 379222), (127, 376236), (252, 189611), (254, 188118), (381, 125412), (508, 94059), (762, 62706), (889, 53748), (1143, 41804), (1493, 32004), (1524, 31353), (1778, 26874), (2286, 20902), (2667, 17916), (2986, 16002), (3556, 13437), (4479, 10668), (4572, 10451), (5334, 8958), (5972, 8001)]