638538157232

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{29173}}^1\times {\mathrm{44129}}^1$

素因数の和:73341

約数の個数: 40

約数和(自身を含む): 1277149031040

約数和(自身を除く): 638610873808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 29173, 44129, 58346, 88258, 116692, 176516, 233384, 353032, 466768, 706064, 904363, 1367999, 1808726, 2735998, 3617452, 5471996, 7234904, 10943992, 14469808, 21887984, 1287375317, 2574750634, 5149501268, 10299002536, 20598005072, 39908634827, 79817269654, 159634539308, 319269078616, 638538157232]

約数ペア:

[(1, 638538157232), (2, 319269078616), (4, 159634539308), (8, 79817269654), (16, 39908634827), (31, 20598005072), (62, 10299002536), (124, 5149501268), (248, 2574750634), (496, 1287375317), (29173, 21887984), (44129, 14469808), (58346, 10943992), (88258, 7234904), (116692, 5471996), (176516, 3617452), (233384, 2735998), (353032, 1808726), (466768, 1367999), (706064, 904363)]