257317984

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6143}}^1$

素因数の和:6188

約数の個数: 96

約数和(自身を含む): 668860416

約数和(自身を除く): 411542432

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 238, 272, 308, 352, 374, 476, 544, 616, 748, 952, 1232, 1309, 1496, 1904, 2464, 2618, 2992, 3808, 5236, 5984, 6143, 10472, 12286, 20944, 24572, 41888, 43001, 49144, 67573, 86002, 98288, 104431, 135146, 172004, 196576, 208862, 270292, 344008, 417724, 473011, 540584, 688016, 731017, 835448, 946022, 1081168, 1148741, 1376032, 1462034, 1670896, 1892044, 2162336, 2297482, 2924068, 3341792, 3784088, 4594964, 5848136, 7568176, 8041187, 9189928, 11696272, 15136352, 16082374, 18379856, 23392544, 32164748, 36759712, 64329496, 128658992, 257317984]

約数ペア:

[(1, 257317984), (2, 128658992), (4, 64329496), (7, 36759712), (8, 32164748), (11, 23392544), (14, 18379856), (16, 16082374), (17, 15136352), (22, 11696272), (28, 9189928), (32, 8041187), (34, 7568176), (44, 5848136), (56, 4594964), (68, 3784088), (77, 3341792), (88, 2924068), (112, 2297482), (119, 2162336), (136, 1892044), (154, 1670896), (176, 1462034), (187, 1376032), (224, 1148741), (238, 1081168), (272, 946022), (308, 835448), (352, 731017), (374, 688016), (476, 540584), (544, 473011), (616, 417724), (748, 344008), (952, 270292), (1232, 208862), (1309, 196576), (1496, 172004), (1904, 135146), (2464, 104431), (2618, 98288), (2992, 86002), (3808, 67573), (5236, 49144), (5984, 43001), (6143, 41888), (10472, 24572), (12286, 20944)]