12281225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 18320256

約数和(自身を除く): 6039031

約数列:

[1, 5, 11, 17, 25, 37, 55, 71, 85, 185, 187, 275, 355, 407, 425, 629, 781, 925, 935, 1207, 1775, 2035, 2627, 3145, 3905, 4675, 6035, 6919, 10175, 13135, 13277, 15725, 19525, 28897, 30175, 34595, 44659, 65675, 66385, 144485, 172975, 223295, 331925, 491249, 722425, 1116475, 2456245, 12281225]

約数ペア:

[(1, 12281225), (5, 2456245), (11, 1116475), (17, 722425), (25, 491249), (37, 331925), (55, 223295), (71, 172975), (85, 144485), (185, 66385), (187, 65675), (275, 44659), (355, 34595), (407, 30175), (425, 28897), (629, 19525), (781, 15725), (925, 13277), (935, 13135), (1207, 10175), (1775, 6919), (2035, 6035), (2627, 4675), (3145, 3905)]