256848648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 526972152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 139, 168, 204, 238, 278, 357, 408, 417, 476, 556, 647, 714, 834, 952, 973, 1112, 1294, 1428, 1668, 1941, 1946, 2363, 2588, 2856, 2919, 3336, 3882, 3892, 4529, 4726, 5176, 5838, 7089, 7764, 7784, 9058, 9452, 10999, 11676, 13587, 14178, 15528, 16541, 18116, 18904, 21998, 23352, 27174, 28356, 32997, 33082, 36232, 43996, 49623, 54348, 56712, 65994, 66164, 76993, 87992, 89933, 99246, 108696, 131988, 132328, 153986, 179866, 198492, 230979, 263976, 269799, 307972, 359732, 396984, 461958, 539598, 615944, 629531, 719464, 923916, 1079196, 1259062, 1528861, 1847832, 1888593, 2158392, 2518124, 3057722, 3777186, 4586583, 5036248, 6115444, 7554372, 9173166, 10702027, 12230888, 15108744, 18346332, 21404054, 32106081, 36692664, 42808108, 64212162, 85616216, 128424324, 256848648]

約数ペア:

[(1, 256848648), (2, 128424324), (3, 85616216), (4, 64212162), (6, 42808108), (7, 36692664), (8, 32106081), (12, 21404054), (14, 18346332), (17, 15108744), (21, 12230888), (24, 10702027), (28, 9173166), (34, 7554372), (42, 6115444), (51, 5036248), (56, 4586583), (68, 3777186), (84, 3057722), (102, 2518124), (119, 2158392), (136, 1888593), (139, 1847832), (168, 1528861), (204, 1259062), (238, 1079196), (278, 923916), (357, 719464), (408, 629531), (417, 615944), (476, 539598), (556, 461958), (647, 396984), (714, 359732), (834, 307972), (952, 269799), (973, 263976), (1112, 230979), (1294, 198492), (1428, 179866), (1668, 153986), (1941, 132328), (1946, 131988), (2363, 108696), (2588, 99246), (2856, 89933), (2919, 87992), (3336, 76993), (3882, 66164), (3892, 65994), (4529, 56712), (4726, 54348), (5176, 49623), (5838, 43996), (7089, 36232), (7764, 33082), (7784, 32997), (9058, 28356), (9452, 27174), (10999, 23352), (11676, 21998), (13587, 18904), (14178, 18116), (15528, 16541)]