78938216

素因数分解:

$2^3\times 7^2\times {\mathrm{349}}^1\times {\mathrm{577}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 172966500

約数和(自身を除く): 94028284

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 349, 392, 577, 698, 1154, 1396, 2308, 2443, 2792, 4039, 4616, 4886, 8078, 9772, 16156, 17101, 19544, 28273, 32312, 34202, 56546, 68404, 113092, 136808, 201373, 226184, 402746, 805492, 1409611, 1610984, 2819222, 5638444, 9867277, 11276888, 19734554, 39469108, 78938216]

約数ペア:

[(1, 78938216), (2, 39469108), (4, 19734554), (7, 11276888), (8, 9867277), (14, 5638444), (28, 2819222), (49, 1610984), (56, 1409611), (98, 805492), (196, 402746), (349, 226184), (392, 201373), (577, 136808), (698, 113092), (1154, 68404), (1396, 56546), (2308, 34202), (2443, 32312), (2792, 28273), (4039, 19544), (4616, 17101), (4886, 16156), (8078, 9772)]