2745215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 3939840

約数和(自身を除く): 1194625

約数列:

[1, 5, 11, 19, 37, 55, 71, 95, 185, 209, 355, 407, 703, 781, 1045, 1349, 2035, 2627, 3515, 3905, 6745, 7733, 13135, 14839, 28897, 38665, 49913, 74195, 144485, 249565, 549043, 2745215]

約数ペア:

[(1, 2745215), (5, 549043), (11, 249565), (19, 144485), (37, 74195), (55, 49913), (71, 38665), (95, 28897), (185, 14839), (209, 13135), (355, 7733), (407, 6745), (703, 3905), (781, 3515), (1045, 2627), (1349, 2035)]