257578752

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1$

素因数の和:430

約数の個数: 108

約数和(自身を含む): 710392200

約数和(自身を除く): 452813448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 349, 372, 384, 496, 698, 744, 768, 961, 992, 1047, 1396, 1488, 1922, 1984, 2094, 2792, 2883, 2976, 3844, 3968, 4188, 5584, 5766, 5952, 7688, 7936, 8376, 10819, 11168, 11532, 11904, 15376, 16752, 21638, 22336, 23064, 23808, 30752, 32457, 33504, 43276, 44672, 46128, 61504, 64914, 67008, 86552, 89344, 92256, 123008, 129828, 134016, 173104, 184512, 246016, 259656, 268032, 335389, 346208, 369024, 519312, 670778, 692416, 738048, 1006167, 1038624, 1341556, 1384832, 2012334, 2077248, 2683112, 2769664, 4024668, 4154496, 5366224, 8049336, 8308992, 10732448, 16098672, 21464896, 32197344, 42929792, 64394688, 85859584, 128789376, 257578752]

約数ペア:

[(1, 257578752), (2, 128789376), (3, 85859584), (4, 64394688), (6, 42929792), (8, 32197344), (12, 21464896), (16, 16098672), (24, 10732448), (31, 8308992), (32, 8049336), (48, 5366224), (62, 4154496), (64, 4024668), (93, 2769664), (96, 2683112), (124, 2077248), (128, 2012334), (186, 1384832), (192, 1341556), (248, 1038624), (256, 1006167), (349, 738048), (372, 692416), (384, 670778), (496, 519312), (698, 369024), (744, 346208), (768, 335389), (961, 268032), (992, 259656), (1047, 246016), (1396, 184512), (1488, 173104), (1922, 134016), (1984, 129828), (2094, 123008), (2792, 92256), (2883, 89344), (2976, 86552), (3844, 67008), (3968, 64914), (4188, 61504), (5584, 46128), (5766, 44672), (5952, 43276), (7688, 33504), (7936, 32457), (8376, 30752), (10819, 23808), (11168, 23064), (11532, 22336), (11904, 21638), (15376, 16752)]