215548718

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 414056448

約数和(自身を除く): 198507730

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 107, 127, 154, 206, 214, 254, 721, 749, 889, 1133, 1177, 1397, 1442, 1498, 1778, 2266, 2354, 2794, 7931, 8239, 9779, 11021, 13081, 13589, 15862, 16478, 19558, 22042, 26162, 27178, 77147, 91567, 95123, 121231, 143891, 149479, 154294, 183134, 190246, 242462, 287782, 298958, 848617, 1007237, 1046353, 1399667, 1697234, 2014474, 2092706, 2799334, 9797669, 15396337, 19595338, 30792674, 107774359, 215548718]

約数ペア:

[(1, 215548718), (2, 107774359), (7, 30792674), (11, 19595338), (14, 15396337), (22, 9797669), (77, 2799334), (103, 2092706), (107, 2014474), (127, 1697234), (154, 1399667), (206, 1046353), (214, 1007237), (254, 848617), (721, 298958), (749, 287782), (889, 242462), (1133, 190246), (1177, 183134), (1397, 154294), (1442, 149479), (1498, 143891), (1778, 121231), (2266, 95123), (2354, 91567), (2794, 77147), (7931, 27178), (8239, 26162), (9779, 22042), (11021, 19558), (13081, 16478), (13589, 15862)]