257556936

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 192

約数和(自身を含む): 854945280

約数和(自身を除く): 597388344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 49, 51, 52, 56, 68, 78, 84, 91, 98, 102, 104, 119, 136, 147, 156, 168, 182, 196, 204, 221, 238, 273, 294, 312, 357, 364, 392, 408, 442, 476, 546, 588, 637, 663, 714, 728, 833, 884, 952, 991, 1092, 1176, 1274, 1326, 1428, 1547, 1666, 1768, 1911, 1982, 2184, 2499, 2548, 2652, 2856, 2973, 3094, 3332, 3822, 3964, 4641, 4998, 5096, 5304, 5946, 6188, 6664, 6937, 7644, 7928, 9282, 9996, 10829, 11892, 12376, 12883, 13874, 15288, 16847, 18564, 19992, 20811, 21658, 23784, 25766, 27748, 32487, 33694, 37128, 38649, 41622, 43316, 48559, 50541, 51532, 55496, 64974, 67388, 77298, 83244, 86632, 90181, 97118, 101082, 103064, 117929, 129948, 134776, 145677, 154596, 166488, 180362, 194236, 202164, 219011, 235858, 259896, 270543, 291354, 309192, 353787, 360724, 388472, 404328, 438022, 471716, 541086, 582708, 631267, 657033, 707574, 721448, 825503, 876044, 943432, 1082172, 1165416, 1262534, 1314066, 1415148, 1533077, 1651006, 1752088, 1893801, 2164344, 2476509, 2525068, 2628132, 2830296, 3066154, 3302012, 3787602, 4599231, 4953018, 5050136, 5256264, 6132308, 6604024, 7575204, 9198462, 9906036, 10731539, 12264616, 15150408, 18396924, 19812072, 21463078, 32194617, 36793848, 42926156, 64389234, 85852312, 128778468, 257556936]

約数ペア:

[(1, 257556936), (2, 128778468), (3, 85852312), (4, 64389234), (6, 42926156), (7, 36793848), (8, 32194617), (12, 21463078), (13, 19812072), (14, 18396924), (17, 15150408), (21, 12264616), (24, 10731539), (26, 9906036), (28, 9198462), (34, 7575204), (39, 6604024), (42, 6132308), (49, 5256264), (51, 5050136), (52, 4953018), (56, 4599231), (68, 3787602), (78, 3302012), (84, 3066154), (91, 2830296), (98, 2628132), (102, 2525068), (104, 2476509), (119, 2164344), (136, 1893801), (147, 1752088), (156, 1651006), (168, 1533077), (182, 1415148), (196, 1314066), (204, 1262534), (221, 1165416), (238, 1082172), (273, 943432), (294, 876044), (312, 825503), (357, 721448), (364, 707574), (392, 657033), (408, 631267), (442, 582708), (476, 541086), (546, 471716), (588, 438022), (637, 404328), (663, 388472), (714, 360724), (728, 353787), (833, 309192), (884, 291354), (952, 270543), (991, 259896), (1092, 235858), (1176, 219011), (1274, 202164), (1326, 194236), (1428, 180362), (1547, 166488), (1666, 154596), (1768, 145677), (1911, 134776), (1982, 129948), (2184, 117929), (2499, 103064), (2548, 101082), (2652, 97118), (2856, 90181), (2973, 86632), (3094, 83244), (3332, 77298), (3822, 67388), (3964, 64974), (4641, 55496), (4998, 51532), (5096, 50541), (5304, 48559), (5946, 43316), (6188, 41622), (6664, 38649), (6937, 37128), (7644, 33694), (7928, 32487), (9282, 27748), (9996, 25766), (10829, 23784), (11892, 21658), (12376, 20811), (12883, 19992), (13874, 18564), (15288, 16847)]