218974808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{13411}}^1$

素因数の和:13587

約数の個数: 32

約数和(自身を含む): 445010160

約数和(自身を除く): 226035352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 13411, 16328, 26822, 53644, 107288, 174343, 348686, 697372, 1394744, 2105527, 4211054, 8422108, 16844216, 27371851, 54743702, 109487404, 218974808]

約数ペア:

[(1, 218974808), (2, 109487404), (4, 54743702), (8, 27371851), (13, 16844216), (26, 8422108), (52, 4211054), (104, 2105527), (157, 1394744), (314, 697372), (628, 348686), (1256, 174343), (2041, 107288), (4082, 53644), (8164, 26822), (13411, 16328)]