256365984

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22441}}^1$

素因数の和:22478

約数の個数: 96

約数和(自身を含む): 814375296

約数和(自身を除く): 558009312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1904, 2856, 3808, 5712, 11424, 22441, 44882, 67323, 89764, 134646, 157087, 179528, 269292, 314174, 359056, 381497, 471261, 538584, 628348, 718112, 762994, 942522, 1077168, 1144491, 1256696, 1525988, 1885044, 2154336, 2288982, 2513392, 2670479, 3051976, 3770088, 4577964, 5026784, 5340958, 6103952, 7540176, 8011437, 9155928, 10681916, 12207904, 15080352, 16022874, 18311856, 21363832, 32045748, 36623712, 42727664, 64091496, 85455328, 128182992, 256365984]

約数ペア:

[(1, 256365984), (2, 128182992), (3, 85455328), (4, 64091496), (6, 42727664), (7, 36623712), (8, 32045748), (12, 21363832), (14, 18311856), (16, 16022874), (17, 15080352), (21, 12207904), (24, 10681916), (28, 9155928), (32, 8011437), (34, 7540176), (42, 6103952), (48, 5340958), (51, 5026784), (56, 4577964), (68, 3770088), (84, 3051976), (96, 2670479), (102, 2513392), (112, 2288982), (119, 2154336), (136, 1885044), (168, 1525988), (204, 1256696), (224, 1144491), (238, 1077168), (272, 942522), (336, 762994), (357, 718112), (408, 628348), (476, 538584), (544, 471261), (672, 381497), (714, 359056), (816, 314174), (952, 269292), (1428, 179528), (1632, 157087), (1904, 134646), (2856, 89764), (3808, 67323), (5712, 44882), (11424, 22441)]