210020408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{15901}}^1$

素因数の和:16047

約数の個数: 32

約数和(自身を含む): 427445760

約数和(自身を除く): 217425352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 15901, 31802, 63604, 127208, 206713, 413426, 826852, 1653704, 2019427, 4038854, 8077708, 16155416, 26252551, 52505102, 105010204, 210020408]

約数ペア:

[(1, 210020408), (2, 105010204), (4, 52505102), (8, 26252551), (13, 16155416), (26, 8077708), (52, 4038854), (104, 2019427), (127, 1653704), (254, 826852), (508, 413426), (1016, 206713), (1651, 127208), (3302, 63604), (6604, 31802), (13208, 15901)]