521459968

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 1076354048

約数和(自身を除く): 554894080

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 127, 128, 172, 254, 256, 344, 373, 508, 688, 746, 1016, 1376, 1492, 2032, 2752, 2984, 4064, 5461, 5504, 5968, 8128, 10922, 11008, 11936, 16039, 16256, 21844, 23872, 32078, 32512, 43688, 47371, 47744, 64156, 87376, 94742, 95488, 128312, 174752, 189484, 256624, 349504, 378968, 513248, 699008, 757936, 1026496, 1398016, 1515872, 2036953, 2052992, 3031744, 4073906, 4105984, 6063488, 8147812, 12126976, 16295624, 32591248, 65182496, 130364992, 260729984, 521459968]

約数ペア:

[(1, 521459968), (2, 260729984), (4, 130364992), (8, 65182496), (16, 32591248), (32, 16295624), (43, 12126976), (64, 8147812), (86, 6063488), (127, 4105984), (128, 4073906), (172, 3031744), (254, 2052992), (256, 2036953), (344, 1515872), (373, 1398016), (508, 1026496), (688, 757936), (746, 699008), (1016, 513248), (1376, 378968), (1492, 349504), (2032, 256624), (2752, 189484), (2984, 174752), (4064, 128312), (5461, 95488), (5504, 94742), (5968, 87376), (8128, 64156), (10922, 47744), (11008, 47371), (11936, 43688), (16039, 32512), (16256, 32078), (21844, 23872)]