68431904

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 138679128

約数和(自身を除く): 70247224

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 157, 212, 257, 314, 424, 514, 628, 848, 1028, 1256, 1696, 2056, 2512, 4112, 5024, 8224, 8321, 13621, 16642, 27242, 33284, 40349, 54484, 66568, 80698, 108968, 133136, 161396, 217936, 266272, 322792, 435872, 645584, 1291168, 2138497, 4276994, 8553988, 17107976, 34215952, 68431904]

約数ペア:

[(1, 68431904), (2, 34215952), (4, 17107976), (8, 8553988), (16, 4276994), (32, 2138497), (53, 1291168), (106, 645584), (157, 435872), (212, 322792), (257, 266272), (314, 217936), (424, 161396), (514, 133136), (628, 108968), (848, 80698), (1028, 66568), (1256, 54484), (1696, 40349), (2056, 33284), (2512, 27242), (4112, 16642), (5024, 13621), (8224, 8321)]