531712064

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{997}}^1$

素因数の和:1663

約数の個数: 56

約数和(自身を含む): 1139193048

約数和(自身を除く): 607480984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 641, 832, 997, 1282, 1994, 2564, 3988, 5128, 7976, 8333, 10256, 12961, 15952, 16666, 20512, 25922, 31904, 33332, 41024, 51844, 63808, 66664, 103688, 133328, 207376, 266656, 414752, 533312, 639077, 829504, 1278154, 2556308, 5112616, 8308001, 10225232, 16616002, 20450464, 33232004, 40900928, 66464008, 132928016, 265856032, 531712064]

約数ペア:

[(1, 531712064), (2, 265856032), (4, 132928016), (8, 66464008), (13, 40900928), (16, 33232004), (26, 20450464), (32, 16616002), (52, 10225232), (64, 8308001), (104, 5112616), (208, 2556308), (416, 1278154), (641, 829504), (832, 639077), (997, 533312), (1282, 414752), (1994, 266656), (2564, 207376), (3988, 133328), (5128, 103688), (7976, 66664), (8333, 63808), (10256, 51844), (12961, 41024), (15952, 33332), (16666, 31904), (20512, 25922)]