208639184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{6389}}^1$

素因数の和:6567

約数の個数: 40

約数和(自身を含む): 438175080

約数和(自身を除く): 229535896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2512, 4082, 6389, 8164, 12778, 16328, 25556, 32656, 51112, 83057, 102224, 166114, 332228, 664456, 1003073, 1328912, 2006146, 4012292, 8024584, 13039949, 16049168, 26079898, 52159796, 104319592, 208639184]

約数ペア:

[(1, 208639184), (2, 104319592), (4, 52159796), (8, 26079898), (13, 16049168), (16, 13039949), (26, 8024584), (52, 4012292), (104, 2006146), (157, 1328912), (208, 1003073), (314, 664456), (628, 332228), (1256, 166114), (2041, 102224), (2512, 83057), (4082, 51112), (6389, 32656), (8164, 25556), (12778, 16328)]