81350984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 114604216

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 47, 52, 68, 88, 89, 94, 104, 136, 143, 178, 187, 188, 221, 286, 356, 374, 376, 442, 517, 572, 611, 712, 748, 799, 884, 979, 1034, 1144, 1157, 1222, 1496, 1513, 1598, 1768, 1958, 2068, 2314, 2431, 2444, 3026, 3196, 3916, 4136, 4183, 4628, 4862, 4888, 6052, 6392, 6721, 7832, 8366, 8789, 9256, 9724, 10387, 12104, 12727, 13442, 16643, 16732, 17578, 19448, 19669, 20774, 25454, 26884, 33286, 33464, 35156, 39338, 41548, 46013, 50908, 53768, 54379, 66572, 70312, 71111, 78676, 83096, 92026, 101816, 108758, 114257, 133144, 142222, 157352, 184052, 216359, 217516, 228514, 284444, 368104, 432718, 435032, 457028, 568888, 598169, 782221, 865436, 914056, 924443, 1196338, 1564442, 1730872, 1848886, 2392676, 3128884, 3697772, 4785352, 6257768, 7395544, 10168873, 20337746, 40675492, 81350984]

約数ペア:

[(1, 81350984), (2, 40675492), (4, 20337746), (8, 10168873), (11, 7395544), (13, 6257768), (17, 4785352), (22, 3697772), (26, 3128884), (34, 2392676), (44, 1848886), (47, 1730872), (52, 1564442), (68, 1196338), (88, 924443), (89, 914056), (94, 865436), (104, 782221), (136, 598169), (143, 568888), (178, 457028), (187, 435032), (188, 432718), (221, 368104), (286, 284444), (356, 228514), (374, 217516), (376, 216359), (442, 184052), (517, 157352), (572, 142222), (611, 133144), (712, 114257), (748, 108758), (799, 101816), (884, 92026), (979, 83096), (1034, 78676), (1144, 71111), (1157, 70312), (1222, 66572), (1496, 54379), (1513, 53768), (1598, 50908), (1768, 46013), (1958, 41548), (2068, 39338), (2314, 35156), (2431, 33464), (2444, 33286), (3026, 26884), (3196, 25454), (3916, 20774), (4136, 19669), (4183, 19448), (4628, 17578), (4862, 16732), (4888, 16643), (6052, 13442), (6392, 12727), (6721, 12104), (7832, 10387), (8366, 9724), (8789, 9256)]