906406945

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 1142816256

約数和(自身を除く): 236409311

約数列:

[1, 5, 37, 71, 151, 185, 355, 457, 755, 2285, 2627, 5587, 10721, 13135, 16909, 27935, 32447, 53605, 69007, 84545, 162235, 345035, 396677, 1200539, 1983385, 2553259, 4899497, 6002695, 12766295, 24497485, 181281389, 906406945]

約数ペア:

[(1, 906406945), (5, 181281389), (37, 24497485), (71, 12766295), (151, 6002695), (185, 4899497), (355, 2553259), (457, 1983385), (755, 1200539), (2285, 396677), (2627, 345035), (5587, 162235), (10721, 84545), (13135, 69007), (16909, 53605), (27935, 32447)]