521369408

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 126

約数和(自身を含む): 1250768898

約数和(自身を除く): 729399490

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 173, 196, 217, 224, 248, 346, 392, 434, 448, 496, 692, 784, 868, 961, 992, 1211, 1384, 1519, 1568, 1736, 1922, 1984, 2422, 2768, 3038, 3136, 3472, 3844, 4844, 5363, 5536, 6076, 6727, 6944, 7688, 8477, 9688, 10726, 11072, 12152, 13454, 13888, 15376, 16954, 19376, 21452, 24304, 26908, 30752, 33908, 37541, 38752, 42904, 47089, 48608, 53816, 61504, 67816, 75082, 77504, 85808, 94178, 97216, 107632, 135632, 150164, 166253, 171616, 188356, 215264, 262787, 271264, 300328, 332506, 343232, 376712, 430528, 525574, 542528, 600656, 665012, 753424, 1051148, 1163771, 1201312, 1330024, 1506848, 2102296, 2327542, 2402624, 2660048, 3013696, 4204592, 4655084, 5320096, 8146397, 8409184, 9310168, 10640192, 16292794, 16818368, 18620336, 32585588, 37240672, 65171176, 74481344, 130342352, 260684704, 521369408]

約数ペア:

[(1, 521369408), (2, 260684704), (4, 130342352), (7, 74481344), (8, 65171176), (14, 37240672), (16, 32585588), (28, 18620336), (31, 16818368), (32, 16292794), (49, 10640192), (56, 9310168), (62, 8409184), (64, 8146397), (98, 5320096), (112, 4655084), (124, 4204592), (173, 3013696), (196, 2660048), (217, 2402624), (224, 2327542), (248, 2102296), (346, 1506848), (392, 1330024), (434, 1201312), (448, 1163771), (496, 1051148), (692, 753424), (784, 665012), (868, 600656), (961, 542528), (992, 525574), (1211, 430528), (1384, 376712), (1519, 343232), (1568, 332506), (1736, 300328), (1922, 271264), (1984, 262787), (2422, 215264), (2768, 188356), (3038, 171616), (3136, 166253), (3472, 150164), (3844, 135632), (4844, 107632), (5363, 97216), (5536, 94178), (6076, 85808), (6727, 77504), (6944, 75082), (7688, 67816), (8477, 61504), (9688, 53816), (10726, 48608), (11072, 47089), (12152, 42904), (13454, 38752), (13888, 37541), (15376, 33908), (16954, 30752), (19376, 26908), (21452, 24304)]