268512608

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 674031456

約数和(自身を除く): 405518848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 52, 56, 82, 91, 104, 112, 164, 169, 173, 182, 208, 224, 287, 328, 338, 346, 364, 416, 533, 574, 656, 676, 692, 728, 1066, 1148, 1183, 1211, 1312, 1352, 1384, 1456, 2132, 2249, 2296, 2366, 2422, 2704, 2768, 2912, 3731, 4264, 4498, 4592, 4732, 4844, 5408, 5536, 6929, 7093, 7462, 8528, 8996, 9184, 9464, 9688, 13858, 14186, 14924, 15743, 17056, 17992, 18928, 19376, 27716, 28372, 29237, 29848, 31486, 35984, 37856, 38752, 48503, 49651, 55432, 56744, 58474, 59696, 62972, 71968, 92209, 97006, 99302, 110864, 113488, 116948, 119392, 125944, 184418, 194012, 198604, 204659, 221728, 226976, 233896, 251888, 368836, 388024, 397208, 409318, 467792, 503776, 645463, 737672, 776048, 794416, 818636, 935584, 1198717, 1290926, 1475344, 1552096, 1588832, 1637272, 2397434, 2581852, 2950688, 3274544, 4794868, 5163704, 6549088, 8391019, 9589736, 10327408, 16782038, 19179472, 20654816, 33564076, 38358944, 67128152, 134256304, 268512608]

約数ペア:

[(1, 268512608), (2, 134256304), (4, 67128152), (7, 38358944), (8, 33564076), (13, 20654816), (14, 19179472), (16, 16782038), (26, 10327408), (28, 9589736), (32, 8391019), (41, 6549088), (52, 5163704), (56, 4794868), (82, 3274544), (91, 2950688), (104, 2581852), (112, 2397434), (164, 1637272), (169, 1588832), (173, 1552096), (182, 1475344), (208, 1290926), (224, 1198717), (287, 935584), (328, 818636), (338, 794416), (346, 776048), (364, 737672), (416, 645463), (533, 503776), (574, 467792), (656, 409318), (676, 397208), (692, 388024), (728, 368836), (1066, 251888), (1148, 233896), (1183, 226976), (1211, 221728), (1312, 204659), (1352, 198604), (1384, 194012), (1456, 184418), (2132, 125944), (2249, 119392), (2296, 116948), (2366, 113488), (2422, 110864), (2704, 99302), (2768, 97006), (2912, 92209), (3731, 71968), (4264, 62972), (4498, 59696), (4592, 58474), (4732, 56744), (4844, 55432), (5408, 49651), (5536, 48503), (6929, 38752), (7093, 37856), (7462, 35984), (8528, 31486), (8996, 29848), (9184, 29237), (9464, 28372), (9688, 27716), (13858, 19376), (14186, 18928), (14924, 17992), (15743, 17056)]