81921536

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:183

約数の個数: 60

約数和(自身を含む): 170280396

約数和(自身を除く): 88358860

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 128, 172, 244, 256, 344, 488, 512, 688, 976, 1376, 1952, 2623, 2752, 3721, 3904, 5246, 5504, 7442, 7808, 10492, 11008, 14884, 15616, 20984, 22016, 29768, 31232, 41968, 59536, 83936, 119072, 160003, 167872, 238144, 320006, 335744, 476288, 640012, 671488, 952576, 1280024, 1342976, 1905152, 2560048, 5120096, 10240192, 20480384, 40960768, 81921536]

約数ペア:

[(1, 81921536), (2, 40960768), (4, 20480384), (8, 10240192), (16, 5120096), (32, 2560048), (43, 1905152), (61, 1342976), (64, 1280024), (86, 952576), (122, 671488), (128, 640012), (172, 476288), (244, 335744), (256, 320006), (344, 238144), (488, 167872), (512, 160003), (688, 119072), (976, 83936), (1376, 59536), (1952, 41968), (2623, 31232), (2752, 29768), (3721, 22016), (3904, 20984), (5246, 15616), (5504, 14884), (7442, 11008), (7808, 10492)]