66979913

素因数分解:

$7^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 93461760

約数和(自身を除く): 26481847

約数列:

[1, 7, 11, 13, 49, 77, 79, 91, 121, 143, 539, 553, 637, 847, 869, 1001, 1027, 1331, 1573, 3871, 5929, 6083, 7007, 7189, 9317, 9559, 11011, 11297, 17303, 42581, 50323, 65219, 66913, 77077, 79079, 105149, 121121, 124267, 468391, 553553, 736043, 847847, 869869, 1366937, 5152301, 6089083, 9568559, 66979913]

約数ペア:

[(1, 66979913), (7, 9568559), (11, 6089083), (13, 5152301), (49, 1366937), (77, 869869), (79, 847847), (91, 736043), (121, 553553), (143, 468391), (539, 124267), (553, 121121), (637, 105149), (847, 79079), (869, 77077), (1001, 66913), (1027, 65219), (1331, 50323), (1573, 42581), (3871, 17303), (5929, 11297), (6083, 11011), (7007, 9559), (7189, 9317)]