15811235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 6583645

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 431, 667, 1265, 1595, 2155, 3335, 4741, 7337, 9913, 12499, 23705, 36685, 49565, 62495, 109043, 137489, 287477, 545215, 687445, 1437385, 3162247, 15811235]

約数ペア:

[(1, 15811235), (5, 3162247), (11, 1437385), (23, 687445), (29, 545215), (55, 287477), (115, 137489), (145, 109043), (253, 62495), (319, 49565), (431, 36685), (667, 23705), (1265, 12499), (1595, 9913), (2155, 7337), (3335, 4741)]