978659968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:586

約数の個数: 128

約数和(自身を含む): 2314045440

約数和(自身を除く): 1335385472

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 127, 128, 143, 176, 208, 254, 286, 352, 416, 421, 508, 572, 704, 832, 842, 1016, 1144, 1397, 1408, 1651, 1664, 1684, 2032, 2288, 2794, 3302, 3368, 4064, 4576, 4631, 5473, 5588, 6604, 6736, 8128, 9152, 9262, 10946, 11176, 13208, 13472, 16256, 18161, 18304, 18524, 21892, 22352, 26416, 26944, 36322, 37048, 43784, 44704, 52832, 53467, 53888, 60203, 72644, 74096, 87568, 89408, 105664, 106934, 120406, 145288, 148192, 175136, 178816, 211328, 213868, 240812, 290576, 296384, 350272, 427736, 481624, 581152, 588137, 592768, 695071, 700544, 855472, 963248, 1162304, 1176274, 1390142, 1710944, 1926496, 2324608, 2352548, 2780284, 3421888, 3852992, 4705096, 5560568, 6843776, 7645781, 7705984, 9410192, 11121136, 15291562, 18820384, 22242272, 30583124, 37640768, 44484544, 61166248, 75281536, 88969088, 122332496, 244664992, 489329984, 978659968]

約数ペア:

[(1, 978659968), (2, 489329984), (4, 244664992), (8, 122332496), (11, 88969088), (13, 75281536), (16, 61166248), (22, 44484544), (26, 37640768), (32, 30583124), (44, 22242272), (52, 18820384), (64, 15291562), (88, 11121136), (104, 9410192), (127, 7705984), (128, 7645781), (143, 6843776), (176, 5560568), (208, 4705096), (254, 3852992), (286, 3421888), (352, 2780284), (416, 2352548), (421, 2324608), (508, 1926496), (572, 1710944), (704, 1390142), (832, 1176274), (842, 1162304), (1016, 963248), (1144, 855472), (1397, 700544), (1408, 695071), (1651, 592768), (1664, 588137), (1684, 581152), (2032, 481624), (2288, 427736), (2794, 350272), (3302, 296384), (3368, 290576), (4064, 240812), (4576, 213868), (4631, 211328), (5473, 178816), (5588, 175136), (6604, 148192), (6736, 145288), (8128, 120406), (9152, 106934), (9262, 105664), (10946, 89408), (11176, 87568), (13208, 74096), (13472, 72644), (16256, 60203), (18161, 53888), (18304, 53467), (18524, 52832), (21892, 44704), (22352, 43784), (26416, 37048), (26944, 36322)]