81181936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 186202368

約数和(自身を除く): 105020432

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 176, 187, 272, 344, 374, 473, 631, 688, 731, 748, 946, 1262, 1462, 1496, 1892, 2524, 2924, 2992, 3784, 5048, 5848, 6941, 7568, 8041, 10096, 10727, 11696, 13882, 16082, 21454, 27133, 27764, 32164, 42908, 54266, 55528, 64328, 85816, 108532, 111056, 117997, 128656, 171632, 217064, 235994, 298463, 434128, 461261, 471988, 596926, 922522, 943976, 1193852, 1845044, 1887952, 2387704, 3690088, 4775408, 5073871, 7380176, 10147742, 20295484, 40590968, 81181936]

約数ペア:

[(1, 81181936), (2, 40590968), (4, 20295484), (8, 10147742), (11, 7380176), (16, 5073871), (17, 4775408), (22, 3690088), (34, 2387704), (43, 1887952), (44, 1845044), (68, 1193852), (86, 943976), (88, 922522), (136, 596926), (172, 471988), (176, 461261), (187, 434128), (272, 298463), (344, 235994), (374, 217064), (473, 171632), (631, 128656), (688, 117997), (731, 111056), (748, 108532), (946, 85816), (1262, 64328), (1462, 55528), (1496, 54266), (1892, 42908), (2524, 32164), (2924, 27764), (2992, 27133), (3784, 21454), (5048, 16082), (5848, 13882), (6941, 11696), (7568, 10727), (8041, 10096)]