251178972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{26801}}^1$

素因数の和:26890

約数の個数: 48

約数和(自身を含む): 648393984

約数和(自身を除く): 397215012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2343, 3124, 4686, 9372, 26801, 53602, 80403, 107204, 160806, 294811, 321612, 589622, 884433, 1179244, 1768866, 1902871, 3537732, 3805742, 5708613, 7611484, 11417226, 20931581, 22834452, 41863162, 62794743, 83726324, 125589486, 251178972]

約数ペア:

[(1, 251178972), (2, 125589486), (3, 83726324), (4, 62794743), (6, 41863162), (11, 22834452), (12, 20931581), (22, 11417226), (33, 7611484), (44, 5708613), (66, 3805742), (71, 3537732), (132, 1902871), (142, 1768866), (213, 1179244), (284, 884433), (426, 589622), (781, 321612), (852, 294811), (1562, 160806), (2343, 107204), (3124, 80403), (4686, 53602), (9372, 26801)]