638203385344

素因数分解:

$2^9\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2439317}}^1$

素因数の和:2439415

約数の個数: 80

約数和(自身を含む): 1477290009888

約数和(自身を除く): 839086624544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 512, 584, 896, 1022, 1168, 1792, 2044, 2336, 3584, 4088, 4672, 8176, 9344, 16352, 18688, 32704, 37376, 65408, 130816, 261632, 2439317, 4878634, 9757268, 17075219, 19514536, 34150438, 39029072, 68300876, 78058144, 136601752, 156116288, 178070141, 273203504, 312232576, 356140282, 546407008, 624465152, 712280564, 1092814016, 1246490987, 1248930304, 1424561128, 2185628032, 2492981974, 2849122256, 4371256064, 4985963948, 5698244512, 8742512128, 9971927896, 11396489024, 19943855792, 22792978048, 39887711584, 45585956096, 79775423168, 91171912192, 159550846336, 319101692672, 638203385344]

約数ペア:

[(1, 638203385344), (2, 319101692672), (4, 159550846336), (7, 91171912192), (8, 79775423168), (14, 45585956096), (16, 39887711584), (28, 22792978048), (32, 19943855792), (56, 11396489024), (64, 9971927896), (73, 8742512128), (112, 5698244512), (128, 4985963948), (146, 4371256064), (224, 2849122256), (256, 2492981974), (292, 2185628032), (448, 1424561128), (511, 1248930304), (512, 1246490987), (584, 1092814016), (896, 712280564), (1022, 624465152), (1168, 546407008), (1792, 356140282), (2044, 312232576), (2336, 273203504), (3584, 178070141), (4088, 156116288), (4672, 136601752), (8176, 78058144), (9344, 68300876), (16352, 39029072), (18688, 34150438), (32704, 19514536), (37376, 17075219), (65408, 9757268), (130816, 4878634), (261632, 2439317)]