200991215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 262947840

約数和(自身を除く): 61956625

約数列:

[1, 5, 19, 37, 95, 185, 211, 271, 703, 1055, 1355, 3515, 4009, 5149, 7807, 10027, 20045, 25745, 39035, 50135, 57181, 148333, 190513, 285905, 741665, 952565, 1086439, 2115697, 5432195, 10578485, 40198243, 200991215]

約数ペア:

[(1, 200991215), (5, 40198243), (19, 10578485), (37, 5432195), (95, 2115697), (185, 1086439), (211, 952565), (271, 741665), (703, 285905), (1055, 190513), (1355, 148333), (3515, 57181), (4009, 50135), (5149, 39035), (7807, 25745), (10027, 20045)]