128203768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2851}}^1$

素因数の和:2948

約数の個数: 64

約数和(自身を含む): 303909120

約数和(自身を除く): 175705352

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 73, 77, 88, 146, 154, 292, 308, 511, 584, 616, 803, 1022, 1606, 2044, 2851, 3212, 4088, 5621, 5702, 6424, 11242, 11404, 19957, 22484, 22808, 31361, 39914, 44968, 62722, 79828, 125444, 159656, 208123, 219527, 250888, 416246, 439054, 832492, 878108, 1456861, 1664984, 1756216, 2289353, 2913722, 4578706, 5827444, 9157412, 11654888, 16025471, 18314824, 32050942, 64101884, 128203768]

約数ペア:

[(1, 128203768), (2, 64101884), (4, 32050942), (7, 18314824), (8, 16025471), (11, 11654888), (14, 9157412), (22, 5827444), (28, 4578706), (44, 2913722), (56, 2289353), (73, 1756216), (77, 1664984), (88, 1456861), (146, 878108), (154, 832492), (292, 439054), (308, 416246), (511, 250888), (584, 219527), (616, 208123), (803, 159656), (1022, 125444), (1606, 79828), (2044, 62722), (2851, 44968), (3212, 39914), (4088, 31361), (5621, 22808), (5702, 22484), (6424, 19957), (11242, 11404)]