28263768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 76712160

約数和(自身を除く): 48448392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 471, 577, 628, 942, 1154, 1256, 1731, 1884, 2041, 2308, 3462, 3768, 4082, 4616, 6123, 6924, 7501, 8164, 12246, 13848, 15002, 16328, 22503, 24492, 30004, 45006, 48984, 60008, 90012, 90589, 180024, 181178, 271767, 362356, 543534, 724712, 1087068, 1177657, 2174136, 2355314, 3532971, 4710628, 7065942, 9421256, 14131884, 28263768]

約数ペア:

[(1, 28263768), (2, 14131884), (3, 9421256), (4, 7065942), (6, 4710628), (8, 3532971), (12, 2355314), (13, 2174136), (24, 1177657), (26, 1087068), (39, 724712), (52, 543534), (78, 362356), (104, 271767), (156, 181178), (157, 180024), (312, 90589), (314, 90012), (471, 60008), (577, 48984), (628, 45006), (942, 30004), (1154, 24492), (1256, 22503), (1731, 16328), (1884, 15002), (2041, 13848), (2308, 12246), (3462, 8164), (3768, 7501), (4082, 6924), (4616, 6123)]