256506987841

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12401827}}^1$

素因数の和:12401920

約数の個数: 16

約数和(自身を含む): 290301989824

約数和(自身を除く): 33795001983

約数列:

[1, 13, 37, 43, 481, 559, 1591, 20683, 12401827, 161223751, 458867599, 533278561, 5965278787, 6932621293, 19731306757, 256506987841]

約数ペア:

[(1, 256506987841), (13, 19731306757), (37, 6932621293), (43, 5965278787), (481, 533278561), (559, 458867599), (1591, 161223751), (20683, 12401827)]