25190445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 23470035

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 71, 93, 105, 109, 155, 213, 217, 327, 355, 465, 497, 545, 651, 763, 1065, 1085, 1491, 1635, 2201, 2289, 2485, 3255, 3379, 3815, 6603, 7455, 7739, 10137, 11005, 11445, 15407, 16895, 23217, 23653, 33015, 38695, 46221, 50685, 54173, 70959, 77035, 116085, 118265, 162519, 231105, 239909, 270865, 354795, 719727, 812595, 1199545, 1679363, 3598635, 5038089, 8396815, 25190445]

約数ペア:

[(1, 25190445), (3, 8396815), (5, 5038089), (7, 3598635), (15, 1679363), (21, 1199545), (31, 812595), (35, 719727), (71, 354795), (93, 270865), (105, 239909), (109, 231105), (155, 162519), (213, 118265), (217, 116085), (327, 77035), (355, 70959), (465, 54173), (497, 50685), (545, 46221), (651, 38695), (763, 33015), (1065, 23653), (1085, 23217), (1491, 16895), (1635, 15407), (2201, 11445), (2289, 11005), (2485, 10137), (3255, 7739), (3379, 7455), (3815, 6603)]