1916656

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 4310240

約数和(自身を除く): 2393584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 157, 218, 314, 436, 628, 763, 872, 1099, 1256, 1526, 1744, 2198, 2512, 3052, 4396, 6104, 8792, 12208, 17113, 17584, 34226, 68452, 119791, 136904, 239582, 273808, 479164, 958328, 1916656]

約数ペア:

[(1, 1916656), (2, 958328), (4, 479164), (7, 273808), (8, 239582), (14, 136904), (16, 119791), (28, 68452), (56, 34226), (109, 17584), (112, 17113), (157, 12208), (218, 8792), (314, 6104), (436, 4396), (628, 3052), (763, 2512), (872, 2198), (1099, 1744), (1256, 1526)]