256456509184

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{7297}}^1$

素因数の和:7510

約数の個数: 144

約数和(自身を含む): 549904416768

約数和(自身を除く): 293447907584

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 127, 128, 184, 188, 254, 256, 368, 376, 508, 736, 752, 1016, 1081, 1472, 1504, 2032, 2162, 2921, 2944, 3008, 4064, 4324, 5842, 5888, 5969, 6016, 7297, 8128, 8648, 11684, 11938, 12032, 14594, 16256, 17296, 23368, 23876, 29188, 32512, 34592, 46736, 47752, 58376, 69184, 93472, 95504, 116752, 137287, 138368, 167831, 186944, 191008, 233504, 274574, 276736, 335662, 342959, 373888, 382016, 467008, 549148, 671324, 685918, 747776, 764032, 926719, 934016, 1098296, 1342648, 1371836, 1528064, 1853438, 1868032, 2196592, 2685296, 2743672, 3706876, 4393184, 5370592, 5487344, 7413752, 7888057, 8786368, 10741184, 10974688, 14827504, 15776114, 17572736, 21314537, 21482368, 21949376, 29655008, 31552228, 35145472, 42629074, 42964736, 43555793, 43898752, 59310016, 63104456, 85258148, 87111586, 87797504, 118620032, 126208912, 170516296, 174223172, 237240064, 252417824, 341032592, 348446344, 504835648, 682065184, 696892688, 1001783239, 1009671296, 1364130368, 1393785376, 2003566478, 2019342592, 2728260736, 2787570752, 4007132956, 5456521472, 5575141504, 8014265912, 11150283008, 16028531824, 32057063648, 64114127296, 128228254592, 256456509184]

約数ペア:

[(1, 256456509184), (2, 128228254592), (4, 64114127296), (8, 32057063648), (16, 16028531824), (23, 11150283008), (32, 8014265912), (46, 5575141504), (47, 5456521472), (64, 4007132956), (92, 2787570752), (94, 2728260736), (127, 2019342592), (128, 2003566478), (184, 1393785376), (188, 1364130368), (254, 1009671296), (256, 1001783239), (368, 696892688), (376, 682065184), (508, 504835648), (736, 348446344), (752, 341032592), (1016, 252417824), (1081, 237240064), (1472, 174223172), (1504, 170516296), (2032, 126208912), (2162, 118620032), (2921, 87797504), (2944, 87111586), (3008, 85258148), (4064, 63104456), (4324, 59310016), (5842, 43898752), (5888, 43555793), (5969, 42964736), (6016, 42629074), (7297, 35145472), (8128, 31552228), (8648, 29655008), (11684, 21949376), (11938, 21482368), (12032, 21314537), (14594, 17572736), (16256, 15776114), (17296, 14827504), (23368, 10974688), (23876, 10741184), (29188, 8786368), (32512, 7888057), (34592, 7413752), (46736, 5487344), (47752, 5370592), (58376, 4393184), (69184, 3706876), (93472, 2743672), (95504, 2685296), (116752, 2196592), (137287, 1868032), (138368, 1853438), (167831, 1528064), (186944, 1371836), (191008, 1342648), (233504, 1098296), (274574, 934016), (276736, 926719), (335662, 764032), (342959, 747776), (373888, 685918), (382016, 671324), (467008, 549148)]