256767804568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{89}}^1\times {\mathrm{6673}}^1$

素因数の和:6830

約数の個数: 128

約数和(自身を含む): 564380136000

約数和(自身を除く): 307612331432

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 89, 136, 178, 187, 289, 356, 374, 578, 712, 748, 979, 1156, 1496, 1513, 1958, 2312, 3026, 3179, 3916, 4913, 6052, 6358, 6673, 7832, 9826, 12104, 12716, 13346, 16643, 19652, 25432, 25721, 26692, 33286, 39304, 51442, 53384, 54043, 66572, 73403, 102884, 108086, 113441, 133144, 146806, 205768, 216172, 226882, 282931, 293612, 432344, 437257, 453764, 565862, 587224, 593897, 874514, 907528, 1131724, 1187794, 1247851, 1749028, 1928497, 2263448, 2375588, 2495702, 3498056, 3856994, 4751176, 4809827, 4991404, 6532867, 7713988, 9619654, 9982808, 10096249, 13065734, 15427976, 19239308, 20192498, 21213467, 26131468, 32784449, 38478616, 40384996, 42426934, 52262936, 65568898, 80769992, 84853868, 111058739, 131137796, 169707736, 171636233, 222117478, 262275592, 343272466, 360628939, 444234956, 686544932, 721257878, 888469912, 1373089864, 1442515756, 1887998563, 2885031512, 2917815961, 3775997126, 5835631922, 7551994252, 11671263844, 15103988504, 23342527688, 32095975571, 64191951142, 128383902284, 256767804568]

約数ペア:

[(1, 256767804568), (2, 128383902284), (4, 64191951142), (8, 32095975571), (11, 23342527688), (17, 15103988504), (22, 11671263844), (34, 7551994252), (44, 5835631922), (68, 3775997126), (88, 2917815961), (89, 2885031512), (136, 1887998563), (178, 1442515756), (187, 1373089864), (289, 888469912), (356, 721257878), (374, 686544932), (578, 444234956), (712, 360628939), (748, 343272466), (979, 262275592), (1156, 222117478), (1496, 171636233), (1513, 169707736), (1958, 131137796), (2312, 111058739), (3026, 84853868), (3179, 80769992), (3916, 65568898), (4913, 52262936), (6052, 42426934), (6358, 40384996), (6673, 38478616), (7832, 32784449), (9826, 26131468), (12104, 21213467), (12716, 20192498), (13346, 19239308), (16643, 15427976), (19652, 13065734), (25432, 10096249), (25721, 9982808), (26692, 9619654), (33286, 7713988), (39304, 6532867), (51442, 4991404), (53384, 4809827), (54043, 4751176), (66572, 3856994), (73403, 3498056), (102884, 2495702), (108086, 2375588), (113441, 2263448), (133144, 1928497), (146806, 1749028), (205768, 1247851), (216172, 1187794), (226882, 1131724), (282931, 907528), (293612, 874514), (432344, 593897), (437257, 587224), (453764, 565862)]