128565550072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1\times {\mathrm{20441}}^1$

素因数の和:21016

約数の個数: 64

約数和(自身を含む): 258305112000

約数和(自身を除く): 129739561928

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 449, 824, 898, 1751, 1796, 3502, 3592, 7004, 7633, 14008, 15266, 20441, 30532, 40882, 46247, 61064, 81764, 92494, 163528, 184988, 347497, 369976, 694994, 786199, 1389988, 1572398, 2105423, 2779976, 3144796, 4210846, 6289592, 8421692, 9178009, 16843384, 18356018, 35792191, 36712036, 71584382, 73424072, 143168764, 156026153, 286337528, 312052306, 624104612, 945334927, 1248209224, 1890669854, 3781339708, 7562679416, 16070693759, 32141387518, 64282775036, 128565550072]

約数ペア:

[(1, 128565550072), (2, 64282775036), (4, 32141387518), (8, 16070693759), (17, 7562679416), (34, 3781339708), (68, 1890669854), (103, 1248209224), (136, 945334927), (206, 624104612), (412, 312052306), (449, 286337528), (824, 156026153), (898, 143168764), (1751, 73424072), (1796, 71584382), (3502, 36712036), (3592, 35792191), (7004, 18356018), (7633, 16843384), (14008, 9178009), (15266, 8421692), (20441, 6289592), (30532, 4210846), (40882, 3144796), (46247, 2779976), (61064, 2105423), (81764, 1572398), (92494, 1389988), (163528, 786199), (184988, 694994), (347497, 369976)]