728508928

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 1759887360

約数和(自身を除く): 1031378432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 79, 83, 112, 124, 128, 158, 166, 217, 224, 248, 256, 316, 332, 434, 448, 496, 512, 553, 581, 632, 664, 868, 896, 992, 1106, 1162, 1264, 1328, 1736, 1792, 1984, 2212, 2324, 2449, 2528, 2573, 2656, 3472, 3584, 3968, 4424, 4648, 4898, 5056, 5146, 5312, 6557, 6944, 7936, 8848, 9296, 9796, 10112, 10292, 10624, 13114, 13888, 15872, 17143, 17696, 18011, 18592, 19592, 20224, 20584, 21248, 26228, 27776, 34286, 35392, 36022, 37184, 39184, 40448, 41168, 42496, 45899, 52456, 55552, 68572, 70784, 72044, 74368, 78368, 82336, 91798, 104912, 111104, 137144, 141568, 144088, 148736, 156736, 164672, 183596, 203267, 209824, 274288, 283136, 288176, 297472, 313472, 329344, 367192, 406534, 419648, 548576, 576352, 626944, 658688, 734384, 813068, 839296, 1097152, 1152704, 1253888, 1317376, 1422869, 1468768, 1626136, 1678592, 2194304, 2305408, 2845738, 2937536, 3252272, 3357184, 4388608, 4610816, 5691476, 5875072, 6504544, 8777216, 9221632, 11382952, 11750144, 13009088, 22765904, 23500288, 26018176, 45531808, 52036352, 91063616, 104072704, 182127232, 364254464, 728508928]

約数ペア:

[(1, 728508928), (2, 364254464), (4, 182127232), (7, 104072704), (8, 91063616), (14, 52036352), (16, 45531808), (28, 26018176), (31, 23500288), (32, 22765904), (56, 13009088), (62, 11750144), (64, 11382952), (79, 9221632), (83, 8777216), (112, 6504544), (124, 5875072), (128, 5691476), (158, 4610816), (166, 4388608), (217, 3357184), (224, 3252272), (248, 2937536), (256, 2845738), (316, 2305408), (332, 2194304), (434, 1678592), (448, 1626136), (496, 1468768), (512, 1422869), (553, 1317376), (581, 1253888), (632, 1152704), (664, 1097152), (868, 839296), (896, 813068), (992, 734384), (1106, 658688), (1162, 626944), (1264, 576352), (1328, 548576), (1736, 419648), (1792, 406534), (1984, 367192), (2212, 329344), (2324, 313472), (2449, 297472), (2528, 288176), (2573, 283136), (2656, 274288), (3472, 209824), (3584, 203267), (3968, 183596), (4424, 164672), (4648, 156736), (4898, 148736), (5056, 144088), (5146, 141568), (5312, 137144), (6557, 111104), (6944, 104912), (7936, 91798), (8848, 82336), (9296, 78368), (9796, 74368), (10112, 72044), (10292, 70784), (10624, 68572), (13114, 55552), (13888, 52456), (15872, 45899), (17143, 42496), (17696, 41168), (18011, 40448), (18592, 39184), (19592, 37184), (20224, 36022), (20584, 35392), (21248, 34286), (26228, 27776)]