678440672

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 144

約数和(自身を含む): 1697652432

約数和(自身を除く): 1019211760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 83, 91, 98, 104, 112, 166, 182, 196, 208, 224, 332, 364, 392, 401, 416, 581, 637, 664, 728, 784, 802, 1079, 1162, 1274, 1328, 1456, 1568, 1604, 2158, 2324, 2548, 2656, 2807, 2912, 3208, 4067, 4316, 4648, 5096, 5213, 5614, 6416, 7553, 8134, 8632, 9296, 10192, 10426, 11228, 12832, 15106, 16268, 17264, 18592, 19649, 20384, 20852, 22456, 30212, 32536, 33283, 34528, 36491, 39298, 41704, 44912, 52871, 60424, 65072, 66566, 72982, 78596, 83408, 89824, 105742, 120848, 130144, 133132, 145964, 157192, 166816, 211484, 232981, 241696, 255437, 266264, 291928, 314384, 422968, 432679, 465962, 510874, 532528, 583856, 628768, 845936, 865358, 931924, 1021748, 1065056, 1167712, 1630867, 1691872, 1730716, 1863848, 2043496, 3028753, 3261734, 3461432, 3727696, 4086992, 6057506, 6523468, 6922864, 7455392, 8173984, 12115012, 13046936, 13845728, 21201271, 24230024, 26093872, 42402542, 48460048, 52187744, 84805084, 96920096, 169610168, 339220336, 678440672]

約数ペア:

[(1, 678440672), (2, 339220336), (4, 169610168), (7, 96920096), (8, 84805084), (13, 52187744), (14, 48460048), (16, 42402542), (26, 26093872), (28, 24230024), (32, 21201271), (49, 13845728), (52, 13046936), (56, 12115012), (83, 8173984), (91, 7455392), (98, 6922864), (104, 6523468), (112, 6057506), (166, 4086992), (182, 3727696), (196, 3461432), (208, 3261734), (224, 3028753), (332, 2043496), (364, 1863848), (392, 1730716), (401, 1691872), (416, 1630867), (581, 1167712), (637, 1065056), (664, 1021748), (728, 931924), (784, 865358), (802, 845936), (1079, 628768), (1162, 583856), (1274, 532528), (1328, 510874), (1456, 465962), (1568, 432679), (1604, 422968), (2158, 314384), (2324, 291928), (2548, 266264), (2656, 255437), (2807, 241696), (2912, 232981), (3208, 211484), (4067, 166816), (4316, 157192), (4648, 145964), (5096, 133132), (5213, 130144), (5614, 120848), (6416, 105742), (7553, 89824), (8134, 83408), (8632, 78596), (9296, 72982), (10192, 66566), (10426, 65072), (11228, 60424), (12832, 52871), (15106, 44912), (16268, 41704), (17264, 39298), (18592, 36491), (19649, 34528), (20384, 33283), (20852, 32536), (22456, 30212)]