209465984

素因数分解:

$2^7\times 7^3\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 525504000

約数和(自身を除く): 316038016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 343, 364, 367, 392, 416, 448, 637, 686, 728, 734, 784, 832, 896, 1274, 1372, 1456, 1468, 1568, 1664, 2548, 2569, 2744, 2912, 2936, 3136, 4459, 4771, 5096, 5138, 5488, 5824, 5872, 6272, 8918, 9542, 10192, 10276, 10976, 11648, 11744, 17836, 17983, 19084, 20384, 20552, 21952, 23488, 33397, 35672, 35966, 38168, 40768, 41104, 43904, 46976, 66794, 71344, 71932, 76336, 81536, 82208, 125881, 133588, 142688, 143864, 152672, 164416, 233779, 251762, 267176, 285376, 287728, 305344, 328832, 467558, 503524, 534352, 570752, 575456, 610688, 935116, 1007048, 1068704, 1150912, 1636453, 1870232, 2014096, 2137408, 2301824, 3272906, 3740464, 4028192, 4274816, 6545812, 7480928, 8056384, 13091624, 14961856, 16112768, 26183248, 29923712, 52366496, 104732992, 209465984]

約数ペア:

[(1, 209465984), (2, 104732992), (4, 52366496), (7, 29923712), (8, 26183248), (13, 16112768), (14, 14961856), (16, 13091624), (26, 8056384), (28, 7480928), (32, 6545812), (49, 4274816), (52, 4028192), (56, 3740464), (64, 3272906), (91, 2301824), (98, 2137408), (104, 2014096), (112, 1870232), (128, 1636453), (182, 1150912), (196, 1068704), (208, 1007048), (224, 935116), (343, 610688), (364, 575456), (367, 570752), (392, 534352), (416, 503524), (448, 467558), (637, 328832), (686, 305344), (728, 287728), (734, 285376), (784, 267176), (832, 251762), (896, 233779), (1274, 164416), (1372, 152672), (1456, 143864), (1468, 142688), (1568, 133588), (1664, 125881), (2548, 82208), (2569, 81536), (2744, 76336), (2912, 71932), (2936, 71344), (3136, 66794), (4459, 46976), (4771, 43904), (5096, 41104), (5138, 40768), (5488, 38168), (5824, 35966), (5872, 35672), (6272, 33397), (8918, 23488), (9542, 21952), (10192, 20552), (10276, 20384), (10976, 19084), (11648, 17983), (11744, 17836)]