256624719232

素因数分解:

$2^7\times 7^4\times {\mathrm{835019}}^1$

素因数の和:835061

約数の個数: 80

約数和(自身を含む): 596417210100

約数和(自身を除く): 339792490868

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2401, 2744, 3136, 4802, 5488, 6272, 9604, 10976, 19208, 21952, 38416, 43904, 76832, 153664, 307328, 835019, 1670038, 3340076, 5845133, 6680152, 11690266, 13360304, 23380532, 26720608, 40915931, 46761064, 53441216, 81831862, 93522128, 106882432, 163663724, 187044256, 286411517, 327327448, 374088512, 572823034, 654654896, 748177024, 1145646068, 1309309792, 2004880619, 2291292136, 2618619584, 4009761238, 4582584272, 5237239168, 8019522476, 9165168544, 16039044952, 18330337088, 32078089904, 36660674176, 64156179808, 128312359616, 256624719232]

約数ペア:

[(1, 256624719232), (2, 128312359616), (4, 64156179808), (7, 36660674176), (8, 32078089904), (14, 18330337088), (16, 16039044952), (28, 9165168544), (32, 8019522476), (49, 5237239168), (56, 4582584272), (64, 4009761238), (98, 2618619584), (112, 2291292136), (128, 2004880619), (196, 1309309792), (224, 1145646068), (343, 748177024), (392, 654654896), (448, 572823034), (686, 374088512), (784, 327327448), (896, 286411517), (1372, 187044256), (1568, 163663724), (2401, 106882432), (2744, 93522128), (3136, 81831862), (4802, 53441216), (5488, 46761064), (6272, 40915931), (9604, 26720608), (10976, 23380532), (19208, 13360304), (21952, 11690266), (38416, 6680152), (43904, 5845133), (76832, 3340076), (153664, 1670038), (307328, 835019)]