28200845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 37428480

約数和(自身を除く): 9227635

約数列:

[1, 5, 19, 37, 71, 95, 113, 185, 355, 565, 703, 1349, 2147, 2627, 3515, 4181, 6745, 8023, 10735, 13135, 20905, 40115, 49913, 79439, 152437, 249565, 296851, 397195, 762185, 1484255, 5640169, 28200845]

約数ペア:

[(1, 28200845), (5, 5640169), (19, 1484255), (37, 762185), (71, 397195), (95, 296851), (113, 249565), (185, 152437), (355, 79439), (565, 49913), (703, 40115), (1349, 20905), (2147, 13135), (2627, 10735), (3515, 8023), (4181, 6745)]