257134584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 767692800

約数和(自身を除く): 510558216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 97, 124, 168, 186, 194, 217, 248, 291, 372, 388, 434, 509, 582, 651, 679, 744, 776, 868, 1018, 1164, 1302, 1358, 1527, 1736, 2036, 2037, 2328, 2604, 2716, 3007, 3054, 3563, 4072, 4074, 5208, 5432, 6014, 6108, 7126, 8148, 9021, 10689, 12028, 12216, 14252, 15779, 16296, 18042, 21049, 21378, 24056, 28504, 31558, 36084, 42098, 42756, 47337, 49373, 63116, 63147, 72168, 84196, 85512, 94674, 98746, 110453, 126232, 126294, 148119, 168392, 189348, 197492, 220906, 252588, 296238, 331359, 345611, 378696, 394984, 441812, 505176, 592476, 662718, 691222, 883624, 1036833, 1184952, 1325436, 1382444, 1530563, 2073666, 2650872, 2764888, 3061126, 4147332, 4591689, 6122252, 8294664, 9183378, 10713941, 12244504, 18366756, 21427882, 32141823, 36733512, 42855764, 64283646, 85711528, 128567292, 257134584]

約数ペア:

[(1, 257134584), (2, 128567292), (3, 85711528), (4, 64283646), (6, 42855764), (7, 36733512), (8, 32141823), (12, 21427882), (14, 18366756), (21, 12244504), (24, 10713941), (28, 9183378), (31, 8294664), (42, 6122252), (56, 4591689), (62, 4147332), (84, 3061126), (93, 2764888), (97, 2650872), (124, 2073666), (168, 1530563), (186, 1382444), (194, 1325436), (217, 1184952), (248, 1036833), (291, 883624), (372, 691222), (388, 662718), (434, 592476), (509, 505176), (582, 441812), (651, 394984), (679, 378696), (744, 345611), (776, 331359), (868, 296238), (1018, 252588), (1164, 220906), (1302, 197492), (1358, 189348), (1527, 168392), (1736, 148119), (2036, 126294), (2037, 126232), (2328, 110453), (2604, 98746), (2716, 94674), (3007, 85512), (3054, 84196), (3563, 72168), (4072, 63147), (4074, 63116), (5208, 49373), (5432, 47337), (6014, 42756), (6108, 42098), (7126, 36084), (8148, 31558), (9021, 28504), (10689, 24056), (12028, 21378), (12216, 21049), (14252, 18042), (15779, 16296)]