257889632

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 697019904

約数和(自身を除く): 439130272

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 83, 88, 91, 97, 104, 112, 143, 154, 166, 176, 182, 194, 208, 224, 286, 308, 332, 352, 364, 388, 416, 572, 581, 616, 664, 679, 728, 776, 913, 1001, 1067, 1079, 1144, 1162, 1232, 1261, 1328, 1358, 1456, 1552, 1826, 2002, 2134, 2158, 2288, 2324, 2464, 2522, 2656, 2716, 2912, 3104, 3652, 4004, 4268, 4316, 4576, 4648, 5044, 5432, 6391, 7304, 7469, 7553, 8008, 8051, 8536, 8632, 8827, 9296, 10088, 10864, 11869, 12782, 13871, 14608, 14938, 15106, 16016, 16102, 17072, 17264, 17654, 18592, 20176, 21728, 23738, 25564, 27742, 29216, 29876, 30212, 32032, 32204, 34144, 34528, 35308, 40352, 47476, 51128, 55484, 56357, 59752, 60424, 64408, 70616, 83083, 88561, 94952, 97097, 102256, 104663, 110968, 112714, 119504, 120848, 128816, 141232, 166166, 177122, 189904, 194194, 204512, 209326, 221936, 225428, 239008, 241696, 257632, 282464, 332332, 354244, 379808, 388388, 418652, 443872, 450856, 619927, 664664, 708488, 732641, 776776, 837304, 901712, 1151293, 1239854, 1329328, 1416976, 1465282, 1553552, 1674608, 1803424, 2302586, 2479708, 2658656, 2833952, 2930564, 3107104, 3349216, 4605172, 4959416, 5861128, 8059051, 9210344, 9918832, 11722256, 16118102, 18420688, 19837664, 23444512, 32236204, 36841376, 64472408, 128944816, 257889632]

約数ペア:

[(1, 257889632), (2, 128944816), (4, 64472408), (7, 36841376), (8, 32236204), (11, 23444512), (13, 19837664), (14, 18420688), (16, 16118102), (22, 11722256), (26, 9918832), (28, 9210344), (32, 8059051), (44, 5861128), (52, 4959416), (56, 4605172), (77, 3349216), (83, 3107104), (88, 2930564), (91, 2833952), (97, 2658656), (104, 2479708), (112, 2302586), (143, 1803424), (154, 1674608), (166, 1553552), (176, 1465282), (182, 1416976), (194, 1329328), (208, 1239854), (224, 1151293), (286, 901712), (308, 837304), (332, 776776), (352, 732641), (364, 708488), (388, 664664), (416, 619927), (572, 450856), (581, 443872), (616, 418652), (664, 388388), (679, 379808), (728, 354244), (776, 332332), (913, 282464), (1001, 257632), (1067, 241696), (1079, 239008), (1144, 225428), (1162, 221936), (1232, 209326), (1261, 204512), (1328, 194194), (1358, 189904), (1456, 177122), (1552, 166166), (1826, 141232), (2002, 128816), (2134, 120848), (2158, 119504), (2288, 112714), (2324, 110968), (2464, 104663), (2522, 102256), (2656, 97097), (2716, 94952), (2912, 88561), (3104, 83083), (3652, 70616), (4004, 64408), (4268, 60424), (4316, 59752), (4576, 56357), (4648, 55484), (5044, 51128), (5432, 47476), (6391, 40352), (7304, 35308), (7469, 34528), (7553, 34144), (8008, 32204), (8051, 32032), (8536, 30212), (8632, 29876), (8827, 29216), (9296, 27742), (10088, 25564), (10864, 23738), (11869, 21728), (12782, 20176), (13871, 18592), (14608, 17654), (14938, 17264), (15106, 17072), (16016, 16102)]