664747208

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{487}}^1\times {\mathrm{1759}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 1262553600

約数和(自身を除く): 597806392

約数列:

[1, 2, 4, 8, 97, 194, 388, 487, 776, 974, 1759, 1948, 3518, 3896, 7036, 14072, 47239, 94478, 170623, 188956, 341246, 377912, 682492, 856633, 1364984, 1713266, 3426532, 6853064, 83093401, 166186802, 332373604, 664747208]

約数ペア:

[(1, 664747208), (2, 332373604), (4, 166186802), (8, 83093401), (97, 6853064), (194, 3426532), (388, 1713266), (487, 1364984), (776, 856633), (974, 682492), (1759, 377912), (1948, 341246), (3518, 188956), (3896, 170623), (7036, 94478), (14072, 47239)]